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Conflicts:
drivers/net/phy/bcm7xxx.c
drivers/net/phy/marvell.c
drivers/net/vxlan.c
All three conflicts were cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"Looks like a lot, but mostly driver fixes scattered all over as usual.
Of note:
1) Add conditional sched in nf conntrack in cleanup to avoid NMI
watchdogs. From Florian Westphal.
2) Fix deadlock in nfnetlink cttimeout, also from Floarian.
3) Fix handling of slaves in bonding ARP monitor validation, from Jay
Vosburgh.
4) Callers of ip_cmsg_send() are responsible for freeing IP options,
some were not doing so. Fix from Eric Dumazet.
5) Fix per-cpu bugs in mvneta driver, from Gregory CLEMENT.
6) Fix vlan handling in mv88e6xxx DSA driver, from Vivien Didelot.
7) bcm7xxx PHY driver bug fixes from Florian Fainelli.
8) Avoid unaligned accesses to protocol headers wrt. GRE, from
Alexander Duyck.
9) SKB leaks and other problems in arc_emac driver, from Alexander
Kochetkov.
10) tcp_v4_inbound_md5_hash() releases listener socket instead of
request socket on error path, oops. Fix from Eric Dumazet.
11) Missing socket release in pppoe_rcv_core() that seems to have
existed basically forever. From Guillaume Nault.
12) Missing slave_dev unregister in dsa_slave_create() error path,
from Florian Fainelli.
13) crypto_alloc_hash() never returns NULL, fix return value check in
__tcp_alloc_md5sig_pool. From Insu Yun.
14) Properly expire exception route entries in ipv4, from Xin Long.
15) Fix races in tcp/dccp listener socket dismantle, from Eric
Dumazet.
16) Don't set IFF_TX_SKB_SHARING in vxlan, geneve, or GRE, it's not
legal. These drivers modify the SKB on transmit. From Jiri Benc.
17) Fix regression in the initialziation of netdev->tx_queue_len.
From Phil Sutter.
18) Missing unlock in tipc_nl_add_bc_link() error path, from Insu Yun.
19) SCTP port hash sizing does not properly ensure that table is a
power of two in size. From Neil Horman.
20) Fix initializing of software copy of MAC address in fmvj18x_cs
driver, from Ken Kawasaki"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (129 commits)
bnx2x: Fix 84833 phy command handler
bnx2x: Fix led setting for 84858 phy.
bnx2x: Correct 84858 PHY fw version
bnx2x: Fix 84833 RX CRC
bnx2x: Fix link-forcing for KR2
net: ethernet: davicom: fix devicetree irq resource
fmvj18x_cs: fix incorrect indexing of dev->dev_addr[] when copying the MAC address
Driver: Vmxnet3: Update Rx ring 2 max size
net: netcp: rework the code for get/set sw_data in dma desc
soc: ti: knav_dma: rename pad in struct knav_dma_desc to sw_data
net: ti: netcp: restore get/set_pad_info() functionality
MAINTAINERS: Drop myself as xen netback maintainer
sctp: Fix port hash table size computation
can: ems_usb: Fix possible tx overflow
Bluetooth: hci_core: Avoid mixing up req_complete and req_complete_skb
net: bcmgenet: Fix internal PHY link state
af_unix: Don't use continue to re-execute unix_stream_read_generic loop
unix_diag: fix incorrect sign extension in unix_lookup_by_ino
bnxt_en: Failure to update PHY is not fatal condition.
bnxt_en: Remove unnecessary call to update PHY settings.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-02-21
this is a pull reqeust of one patch for net/master.
The patch is by Gerhard Uttenthaler and fixes a potential tx overflow in the
ems_usb driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the problem that more CAN messages could be sent to the
interface as could be send on the CAN bus. This was more likely for slow baud
rates. The sleeping _start_xmit was woken up in the _write_bulk_callback. Under
heavy TX load this produced another bulk transfer without checking the
free_slots variable and hence caused the overflow in the interface.
Signed-off-by: Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Yuval Mintz says:
====================
bnx2x: Fix 848xx phys
This series contains link-related fixes, mostly for the 848xx phys
[2 patches are for 84833, and 2 patches are for 84858].
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current initialization sequence is lacking, causing some configurations
to fail.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The phy's firmware version isn't being parsed properly as it's
currently parsed like the rest of the 848xx phys.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There's a problem in current 84833 phy configuration -
in case 1Gb link is configured and jumbo-sized packets are being
used, device will experience RX crc errors.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, when link is using KR2 it cannot be forced to any speed other
than 20g.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.om>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Johan Hedberg says:
====================
pull request: bluetooth 2016-02-20
Here's an important patch for 4.5 which fixes potential invalid pointer
access when processing completed Bluetooth HCI commands.
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 44d271377479 ("Bluetooth: Compress the size of struct
hci_ctrl") we squashed down the size of the structure by using a union
with the assumption that all users would use the flag to determine
whether we had a req_complete or a req_complete_skb.
Unfortunately we had a case in hci_req_cmd_complete() where we weren't
looking at the flag. This can result in a situation where we might be
storing a hci_req_complete_skb_t in a hci_req_complete_t variable, or
vice versa.
During some testing I found at least one case where the function
hci_req_sync_complete() was called improperly because the kernel thought
that it didn't require an SKB. Looking through the stack in kgdb I
found that it was called by hci_event_packet() and that
hci_event_packet() had both of its locals "req_complete" and
"req_complete_skb" pointing to the same place: both to
hci_req_sync_complete().
Let's make sure we always check the flag.
For more details on debugging done, see <http://crbug.com/588288>.
Fixes: 44d271377479 ("Bluetooth: Compress the size of struct hci_ctrl")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The dm9000 driver doesn't work in at least one device-tree
configuration, spitting an error message on irq resource :
[ 1.062495] dm9000 8000000.ethernet: insufficient resources
[ 1.068439] dm9000 8000000.ethernet: not found (-2).
[ 1.073451] dm9000: probe of 8000000.ethernet failed with error -2
The reason behind is that the interrupt might be provided by a gpio
controller, not probed when dm9000 is probed, and needing the probe
deferral mechanism to apply.
Currently, the interrupt is directly taken from resources. This patch
changes this to use the more generic platform_get_irq(), which handles
the deferral.
Moreover, since commit Fixes: 7085a7401ba5 ("drivers: platform: parse
IRQ flags from resources"), the interrupt trigger flags are honored in
platform_get_irq(), so remove the needless code in dm9000.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Marcel Ziswiler <marcel@ziswiler.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Tested-by: Sergei Ianovich <ynvich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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address
fix incorrect indexing of dev->dev_addr[] when copying the MAC address
of FMV-J182 at buf[5].
Signed-off-by: Ken Kawasaki <ken_kawasaki@nifty.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Device emulation supports max size of 4096.
Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Murali Karicheri says:
====================
net: ti: netcp: restore get/set_pad_info() functionality
This series fixes a regression and add some improvements for the ease
of maintainance. Incorporated comments against v1.
Changelogs:
v2 : combined 2-3 into one patch as this involves a header change
fixed a parse warning in 3/4 per comment from Arnd.
Removed Sign-off from Arnd against 1/4
added comments in 3/3 to alert on the usage of sw data per review
comments
v1 : added 2-4 to accomodate feedback received from review
v0 : initial version to fix the regression (From Grygorii)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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SW data field in descriptor can be used by software to hold private
data for the driver. As there are 4 words available for this purpose,
use separate macros to place it or retrieve the same to/from
descriptors. Also do type cast of data types accordingly.
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Grygorii Strashko <grygorii.strashko@ti.com>
CC: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the pad to sw_data as per description of this field in the hardware
spec(refer sprugr9 from www.ti.com). Latest version of the document is
at http://www.ti.com/lit/ug/sprugr9h/sprugr9h.pdf and section 3.1
Host Packet Descriptor describes this field.
Define and use a constant for the size of sw_data field similar to
other fields in the struct for desc and document the sw_data field
in the header. As the sw_data is not touched by hw, it's type can be
changed to u32.
Rename the helpers to match with the updated dma desc field sw_data.
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Grygorii Strashko <grygorii.strashko@ti.com>
CC: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit 899077791403 ("netcp: try to reduce type confusion in
descriptors") introduces a regression in Kernel 4.5-rc1 and it breaks
get/set_pad_info() functionality.
The TI NETCP driver uses pad0 and pad1 fields of knav_dma_desc to
store DMA/MEM buffer pointer and buffer size respectively. And in both
cases for Keystone 2 the pointer type size is 32 bit regardless of
LAPE enabled or not, because CONFIG_ARCH_DMA_ADDR_T_64BIT originally
is not expected to be defined.
Unfortunately, above commit changed buffer's pointers save/restore
code (get/set_pad_info()) and added intermediate conversation to u64
which works incorrectly on 32bit Keystone 2 and causes TI NETCP driver
crash in RX/TX path due to "Unable to handle kernel NULL pointer"
exception. This issue was reported and discussed in [1].
Hence, fix it by partially reverting above commit and restoring
get/set_pad_info() functionality as it was before.
[1] https://www.mail-archive.com/netdev@vger.kernel.org/msg95361.html
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
CC: David Laight <David.Laight@ACULAB.COM>
CC: Arnd Bergmann <arnd@arndb.de>
Reported-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Wei has been picking this up for quite a while now.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dmitry Vyukov noted recently that the sctp_port_hashtable had an error in
its size computation, observing that the current method never guaranteed
that the hashsize (measured in number of entries) would be a power of two,
which the input hash function for that table requires. The root cause of
the problem is that two values need to be computed (one, the allocation
order of the storage requries, as passed to __get_free_pages, and two the
number of entries for the hash table). Both need to be ^2, but for
different reasons, and the existing code is simply computing one order
value, and using it as the basis for both, which is wrong (i.e. it assumes
that ((1<<order)*PAGE_SIZE)/sizeof(bucket) is still ^2 when its not).
To fix this, we change the logic slightly. We start by computing a goal
allocation order (which is limited by the maximum size hash table we want
to support. Then we attempt to allocate that size table, decreasing the
order until a successful allocation is made. Then, with the resultant
successful order we compute the number of buckets that hash table supports,
which we then round down to the nearest power of two, giving us the number
of entries the table actually supports.
I've tested this locally here, using non-debug and spinlock-debug kernels,
and the number of entries in the hashtable consistently work out to be
powers of two in all cases.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
CC: Dmitry Vyukov <dvyukov@google.com>
CC: Vladislav Yasevich <vyasevich@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY link state is not chaged in GENETv2 caused by the previous
commit 49f7a471e4d1 ("net: bcmgenet: Properly configure PHY to ignore
interrupt") was set to PHY_IGNORE_INTERRUPT in bcmgenet_mii_probe().
The internal PHY should use phy_mac_interrupt() when not in use
PHY_POLL. The statement for phy_mac_interrupt() has two conditions. The
first condition to check GENET_HAS_MDIO_INTR is not related PHY link
state, so this patch removes it.
Fixes: 49f7a471e4d1 ("net: bcmgenet: Properly configure PHY to ignore interrupt")
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The unix_stream_read_generic function tries to use a continue statement
to restart the receive loop after waiting for a message. This may not
work as intended as the caller might use a recvmsg call to peek at
control messages without specifying a message buffer. If this was the
case, the continue will cause the function to return without an error
and without the credential information if the function had to wait for a
message while it had returned with the credentials otherwise. Change to
using goto to restart the loop without checking the condition first in
this case so that credentials are returned either way.
Signed-off-by: Rainer Weikusat <rweikusat@mobileactivedefense.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The value passed by unix_diag_get_exact to unix_lookup_by_ino has type
__u32, but unix_lookup_by_ino's argument ino has type int, which is not
a problem yet.
However, when ino is compared with sock_i_ino return value of type
unsigned long, ino is sign extended to signed long, and this results
to incorrect comparison on 64-bit architectures for inode numbers
greater than INT_MAX.
This bug was found by strace test suite.
Fixes: 5d3cae8bc39d ("unix_diag: Dumping exact socket core")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan says:
====================
bnxt_en: Phy related fixes.
3 small patches to fix PHY related code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we fail to update the PHY, we should print a warning and continue.
The current code to exit is buggy as it has not freed up the NIC
resources yet.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix bnxt_update_phy_setting() to check the correct parameters when
determining whether to update the PHY. Requested line speed/duplex should
only be checked for forced speed mode. This avoids unnecessary link
interruptions when loading the driver.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When shutting down the NIC, we shutdown async event processing before
freeing all the rings. If there is a link change event during reset, the
driver may miss it and the link state may be incorrect after the NIC is
re-opened. Poll the link at the end of __bnxt_open_nic() to get the
correct link status.
Signed-off-by Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The purpose of gigaset_device_release() is to kfree() the struct
ser_cardstate that contains our struct device. This is done via a bit of
a detour. First we make our struct device's driver_data point to the
container of our struct ser_cardstate (which is a struct cardstate). In
gigaset_device_release() we then retrieve that driver_data again. And
after that we finally kfree() the struct ser_cardstate that was saved in
the struct cardstate.
All of this can be achieved much easier by using container_of() to get
from our struct device to its container, struct ser_cardstate. Do so.
Note that at the time the detour was implemented commit b8b2c7d845d5
("base/platform: assert that dev_pm_domain callbacks are called
unconditionally") had just entered the tree. That commit disconnected
our platform_device and our platform_driver. These were reconnected
again in v4.5-rc2 through commit 25cad69f21f5 ("base/platform: Fix
platform drivers with no probe callback"). And one of the consequences
of that fix was that it broke the detour via driver_data. That's because
it made __device_release_driver() stop being a NOP for our struct device
and actually do stuff again. One of the things it now does, is setting
our driver_data to NULL. That, in turn, makes it impossible for
gigaset_device_release() to get to our struct cardstate. Which has the
net effect of leaking a struct ser_cardstate at every call of this
driver's tty close() operation. So using container_of() has the
additional benefit of actually working.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
rtlwifi
* fix broken VHT (802.11ac) support, reported by Linus
wlcore
* fix firmware initialisation regression on wl1271
iwlwifi
* fix a race that users reported when we try to load the firmware
and the hardware rfkill interrupt triggers at the same time
* fix a very visible bug in scheduled scan: the firmware
doesn't support scheduled scan with no profile configured and
the supplicant sometimes requests such scheduled scans
* build system fix to be able to link iwlwifi statically into kernel
* firmware name update for 8265
* typo fix in return value
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
These are a few fixes for the current cycle.
3 out of the 5 patches fix a bugzilla.
* fix a race that users reported when we try to load the firmware
and the hardware rfkill interrupt triggers at the same time.
* Luca fixes a very visible bug in scheduled scan: our firmware
doesn't support scheduled scan with no profile configured and
the supplicant sometimes requests such scheduled scans.
* build system fix
* firmware name update for 8265
* typo fix in return value
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The iwl_trans_pcie_start_fw() function may return the positive value EIO
instead of -EIO in case of error.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When we load the firmware, we hold trans_pcie->mutex to
avoid nested flows. We also rely on the ISR to wake up the
thread when the DMA has finished copying a chunk. During
this flow, we enable the RF-Kill interrupt.
The problem is that the RF-Kill interrupt handler can take
the mutex and bring the device down. This means that if
we load the firmware while the RF-Kill switch is enabled
(which will happen when we load the INIT firmware to read
the device's capabilities and register to mac80211), we
may get an RF-Kill interrupt immediately and the ISR will
be waiting for the mutex held by the thread that is
currently loading the firmware. At this stage, the ISR
won't be able to service the DMA's interrupt needed to
wake up the thread that load the firmware. We are in a
deadlock situation which ends when the thread that loads
the firmware fails on timeout and releases the mutex.
To fix this, take the mutex later in the flow, disable
the interrupts and synchronize_irq() to give a chance to
the RF-Kill interrupt to run and complete.
After that, mask all the interrupts besides the DMA
interrupt and proceed with firmware load. Make sure to
check that there was no RF-Kill interrupt when the
interrupts were disabled.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=111361
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The firmware can perform a scheduled scan with not matchsets passed,
but it can't send notification that results were found. Since the
userspace then cannot know when we got new results and the firmware
wouldn't trigger a wake in case we are sleeping, it's better not to
allow scans without matchsets.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=110831
Cc: <stable@vger.kernel.org> [3.17+]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This was wronly added when the dependency on IWLWIFI was
removed.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=112201
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Fix the name of the ucode being loaded for 8265 series
to be: iwlwifi-8265-XX.ucode
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The commit 3719c17e1816 ("wlcore/wl18xx: fw logger over sdio") introduced a
regression causing the wlcore to time out and go into recovery. Reverting the
changes regarding write of the last partition size brings the module back to
it's functional state.
Fixes: 3719c17e1816 ("wlcore/wl18xx: fw logger over sdio")
Reported-by: Ross Green <rgkernel@gmail.com>
Signed-off-by: Emil Goode <emil.fsw@goode.io>
[kvalo@codeaurora.org: improved commit log]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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When using a 5G-capable device with VHT (802.11ac) rates enabled was not
working (packets were not delivered) and the following mac80211 warning
was printed:
WARNING: CPU: 3 PID: 2253 at net/mac80211/rate.c:625 ieee80211_get_tx_rates+0x22e/0x620 [mac80211]()
Modules linked in: rtl8821ae btcoexist rtl_pci rtlwifi fuse drbg ansi_cprng ctr ccm bnep bluetooth af_packet nfs fscache vboxpci(O) vboxnetadp(O) vboxne
tflt(O) vboxdrv(O) arc4 snd_hda_codec_generic x86_pkg_temp_thermal rtsx_pci_sdmmc mmc_core rtsx_pci_ms kvm_intel memstick iwlmvm kvm mac80211 snd_hda_intel snd_hda_cod
ec snd_hwdep snd_hda_core irqbypass snd_pcm iwlwifi crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 snd_timer lrw gf128mul glue_h
elper ablk_helper cryptd snd cfg80211 pcspkr serio_raw e1000e rtsx_pci lpc_ich ptp xhci_pci mfd_core pps_core xhci_hcd soundcore toshiba_acpi thermal sparse_keymap wmi
toshiba_bluetooth rfkill acpi_cpufreq battery ac processor dm_mod i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops
drm sr_mod cdrom video button sg autofs4 [last unloaded: rtlwifi]
CPU: 3 PID: 2253 Comm: Timer Tainted: G W O 4.5.0-rc1-wl+ #79
Hardware name: TOSHIBA TECRA A50-A/TECRA A50-A, BIOS Version 4.20 04/17/2014
ffffffffa05c4be6 ffff8802262036d8 ffffffff813d7912 0000000000000000
ffff880226203710 ffffffff8106bcb6 ffff8800c6831300 ffff8800c6831330
0000000000000000 ffff8800c683133c ffff880065923638 ffff880226203720
Call Trace:
<IRQ> [<ffffffff813d7912>] dump_stack+0x4b/0x79
[<ffffffff8106bcb6>] warn_slowpath_common+0x86/0xc0
[<ffffffff8106bdaa>] warn_slowpath_null+0x1a/0x20
[<ffffffffa05511ee>] ieee80211_get_tx_rates+0x22e/0x620 [mac80211]
[<ffffffffa0782232>] ? rtl_is_special_data+0x32/0x240 [rtlwifi]
[<ffffffffa055209e>] ? rate_control_get_rate+0xce/0x150 [mac80211]
[<ffffffff810bfc7d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff81071cc5>] ? __local_bh_enable_ip+0x65/0xd0
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The vpd strings are left justified, in a fixed length array, with possible
trailing white space and no NUL. So fix them up before calling kstrto*().
This is a recent regression which causes cxgb3 to fail to load.
Fixes: e72c932 ("cxgb3: Convert simple_strtoul to kstrtox")
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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the commit 35e2d1152b22 ("tunnels: Allow IPv6 UDP checksums to be
correctly controlled.") changed the default xmit checksum setting
for lwt vxlan/geneve ipv6 tunnels, so that now the checksum is not
set into external UDP header.
This commit changes the rx checksum setting for both lwt vxlan/geneve
devices created by openvswitch accordingly, so that lwt over ipv6
tunnel pairs are again able to communicate with default values.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Jesse Gross <jesse@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tipc_bcast_unlock need to be unlocked in error path.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Antonio Quartulli says:
====================
Two of the fixes included in this patchset prevent wrong memory
access - it was triggered when removing an object from a list
after it was already free'd due to bad reference counting.
This misbehaviour existed for both the gw_node and the
orig_node_vlan object and has been fixed by Sven Eckelmann.
The last patch fixes our interface feasibility check and prevents
it from looping indefinitely when two net_device objects
reference each other via iflink index (i.e. veth pair), by
Andrew Lunn
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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batman-adv checks in different situation if a new device is already on top
of a different batman-adv device. This is done by getting the iflink of a
device and all its parent. It assumes that this iflink is always a parent
device in an acyclic graph. But this assumption is broken by devices like
veth which are actually a pair of two devices linked to each other. The
recursive check would therefore get veth0 when calling dev_get_iflink on
veth1. And it gets veth0 when calling dev_get_iflink with veth1.
Creating a veth pair and loading batman-adv freezes parts of the system
ip link add veth0 type veth peer name veth1
modprobe batman-adv
An RCU stall will be detected on the system which cannot be fixed.
INFO: rcu_sched self-detected stall on CPU
1: (5264 ticks this GP) idle=3e9/140000000000001/0
softirq=144683/144686 fqs=5249
(t=5250 jiffies g=46 c=45 q=43)
Task dump for CPU 1:
insmod R running task 0 247 245 0x00000008
ffffffff8151f140 ffffffff8107888e ffff88000fd141c0 ffffffff8151f140
0000000000000000 ffffffff81552df0 ffffffff8107b420 0000000000000001
ffff88000e3fa700 ffffffff81540b00 ffffffff8107d667 0000000000000001
Call Trace:
<IRQ> [<ffffffff8107888e>] ? rcu_dump_cpu_stacks+0x7e/0xd0
[<ffffffff8107b420>] ? rcu_check_callbacks+0x3f0/0x6b0
[<ffffffff8107d667>] ? hrtimer_run_queues+0x47/0x180
[<ffffffff8107cf9d>] ? update_process_times+0x2d/0x50
[<ffffffff810873fb>] ? tick_handle_periodic+0x1b/0x60
[<ffffffff810290ae>] ? smp_trace_apic_timer_interrupt+0x5e/0x90
[<ffffffff813bbae2>] ? apic_timer_interrupt+0x82/0x90
<EOI> [<ffffffff812c3fd7>] ? __dev_get_by_index+0x37/0x40
[<ffffffffa0031f3e>] ? batadv_hard_if_event+0xee/0x3a0 [batman_adv]
[<ffffffff812c5801>] ? register_netdevice_notifier+0x81/0x1a0
[...]
This can be avoided by checking if two devices are each others parent and
stopping the check in this situation.
Fixes: b7eddd0b3950 ("batman-adv: prevent using any virtual device created on batman-adv as hard-interface")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[sven@narfation.org: rewritten description, extracted fix]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
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The batadv_orig_node_vlan reference counter in batadv_tt_global_size_mod
can only be reduced when the list entry was actually removed. Otherwise the
reference counter may reach zero when batadv_tt_global_size_mod is called
from two different contexts for the same orig_node_vlan but only one
context is actually removing the entry from the list.
The release function for this orig_node_vlan is not called inside the
vlan_list_lock spinlock protected region because the function
batadv_tt_global_size_mod still holds a orig_node_vlan reference for the
object pointer on the stack. Thus the actual release function (when
required) will be called only at the end of the function.
Fixes: 7ea7b4a14275 ("batman-adv: make the TT CRC logic VLAN specific")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
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The batadv_gw_node reference counter in batadv_gw_node_update can only be
reduced when the list entry was actually removed. Otherwise the reference
counter may reach zero when batadv_gw_node_update is called from two
different contexts for the same gw_node but only one context is actually
removing the entry from the list.
The release function for this gw_node is not called inside the list_lock
spinlock protected region because the function batadv_gw_node_update still
holds a gw_node reference for the object pointer on the stack. Thus the
actual release function (when required) will be called only at the end of
the function.
Fixes: bd3524c14bd0 ("batman-adv: remove obsolete deleted attribute for gateway node")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
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An error response from a RTM_GETNETCONF request can return the positive
error value EINVAL in the struct nlmsgerr that can mislead userspace.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When I used netdev_for_each_lower_dev in commit bad531623253 ("vrf:
remove slave queue and private slave struct") I thought that it acts
like netdev_for_each_lower_private and can be used to remove the current
device from the list while walking, but unfortunately it acts more like
netdev_for_each_lower_private_rcu and doesn't allow it. The difference
is where the "iter" points to, right now it points to the current element
and that makes it impossible to remove it. Change the logic to be
similar to netdev_for_each_lower_private and make it point to the "next"
element so we can safely delete the current one. VRF is the only such
user right now, there's no change for the read-only users.
Here's what can happen now:
[98423.249858] general protection fault: 0000 [#1] SMP
[98423.250175] Modules linked in: vrf bridge(O) stp llc nfsd auth_rpcgss
oid_registry nfs_acl nfs lockd grace sunrpc crct10dif_pclmul
crc32_pclmul crc32c_intel ghash_clmulni_intel jitterentropy_rng
sha256_generic hmac drbg ppdev aesni_intel aes_x86_64 glue_helper lrw
gf128mul ablk_helper cryptd evdev serio_raw pcspkr virtio_balloon
parport_pc parport i2c_piix4 i2c_core virtio_console acpi_cpufreq button
9pnet_virtio 9p 9pnet fscache ipv6 autofs4 ext4 crc16 mbcache jbd2 sg
virtio_blk virtio_net sr_mod cdrom e1000 ata_generic ehci_pci uhci_hcd
ehci_hcd usbcore usb_common virtio_pci ata_piix libata floppy
virtio_ring virtio scsi_mod [last unloaded: bridge]
[98423.255040] CPU: 1 PID: 14173 Comm: ip Tainted: G O
4.5.0-rc2+ #81
[98423.255386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS 1.8.1-20150318_183358- 04/01/2014
[98423.255777] task: ffff8800547f5540 ti: ffff88003428c000 task.ti:
ffff88003428c000
[98423.256123] RIP: 0010:[<ffffffff81514f3e>] [<ffffffff81514f3e>]
netdev_lower_get_next+0x1e/0x30
[98423.256534] RSP: 0018:ffff88003428f940 EFLAGS: 00010207
[98423.256766] RAX: 0002000100000004 RBX: ffff880054ff9000 RCX:
0000000000000000
[98423.257039] RDX: ffff88003428f8b8 RSI: ffff88003428f950 RDI:
ffff880054ff90c0
[98423.257287] RBP: ffff88003428f940 R08: 0000000000000000 R09:
0000000000000000
[98423.257537] R10: 0000000000000001 R11: 0000000000000000 R12:
ffff88003428f9e0
[98423.257802] R13: ffff880054a5fd00 R14: ffff88003428f970 R15:
0000000000000001
[98423.258055] FS: 00007f3d76881700(0000) GS:ffff88005d000000(0000)
knlGS:0000000000000000
[98423.258418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[98423.258650] CR2: 00007ffe5951ffa8 CR3: 0000000052077000 CR4:
00000000000406e0
[98423.258902] Stack:
[98423.259075] ffff88003428f960 ffffffffa0442636 0002000100000004
ffff880054ff9000
[98423.259647] ffff88003428f9b0 ffffffff81518205 ffff880054ff9000
ffff88003428f978
[98423.260208] ffff88003428f978 ffff88003428f9e0 ffff88003428f9e0
ffff880035b35f00
[98423.260739] Call Trace:
[98423.260920] [<ffffffffa0442636>] vrf_dev_uninit+0x76/0xa0 [vrf]
[98423.261156] [<ffffffff81518205>]
rollback_registered_many+0x205/0x390
[98423.261401] [<ffffffff815183ec>] unregister_netdevice_many+0x1c/0x70
[98423.261641] [<ffffffff8153223c>] rtnl_delete_link+0x3c/0x50
[98423.271557] [<ffffffff815335bb>] rtnl_dellink+0xcb/0x1d0
[98423.271800] [<ffffffff811cd7da>] ? __inc_zone_state+0x4a/0x90
[98423.272049] [<ffffffff815337b4>] rtnetlink_rcv_msg+0x84/0x200
[98423.272279] [<ffffffff810cfe7d>] ? trace_hardirqs_on+0xd/0x10
[98423.272513] [<ffffffff8153370b>] ? rtnetlink_rcv+0x1b/0x40
[98423.272755] [<ffffffff81533730>] ? rtnetlink_rcv+0x40/0x40
[98423.272983] [<ffffffff8155d6e7>] netlink_rcv_skb+0x97/0xb0
[98423.273209] [<ffffffff8153371a>] rtnetlink_rcv+0x2a/0x40
[98423.273476] [<ffffffff8155ce8b>] netlink_unicast+0x11b/0x1a0
[98423.273710] [<ffffffff8155d2f1>] netlink_sendmsg+0x3e1/0x610
[98423.273947] [<ffffffff814fbc98>] sock_sendmsg+0x38/0x70
[98423.274175] [<ffffffff814fc253>] ___sys_sendmsg+0x2e3/0x2f0
[98423.274416] [<ffffffff810d841e>] ? do_raw_spin_unlock+0xbe/0x140
[98423.274658] [<ffffffff811e1bec>] ? handle_mm_fault+0x26c/0x2210
[98423.274894] [<ffffffff811e19cd>] ? handle_mm_fault+0x4d/0x2210
[98423.275130] [<ffffffff81269611>] ? __fget_light+0x91/0xb0
[98423.275365] [<ffffffff814fcd42>] __sys_sendmsg+0x42/0x80
[98423.275595] [<ffffffff814fcd92>] SyS_sendmsg+0x12/0x20
[98423.275827] [<ffffffff81611bb6>] entry_SYSCALL_64_fastpath+0x16/0x7a
[98423.276073] Code: c3 31 c0 5d c3 0f 1f 84 00 00 00 00 00 66 66 66 66
90 48 8b 06 55 48 81 c7 c0 00 00 00 48 89 e5 48 8b 00 48 39 f8 74 09 48
89 06 <48> 8b 40 e8 5d c3 31 c0 5d c3 0f 1f 84 00 00 00 00 00 66 66 66
[98423.279639] RIP [<ffffffff81514f3e>] netdev_lower_get_next+0x1e/0x30
[98423.279920] RSP <ffff88003428f940>
CC: David Ahern <dsa@cumulusnetworks.com>
CC: David S. Miller <davem@davemloft.net>
CC: Roopa Prabhu <roopa@cumulusnetworks.com>
CC: Vlad Yasevich <vyasevic@redhat.com>
Fixes: bad531623253 ("vrf: remove slave queue and private slave struct")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: David Ahern <dsa@cumulusnetworks.com>
Tested-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This avoids a harmless randconfig warning I get when USB_NET_CDC_SUBSET
is enabled, but all of the more specific drivers are not:
drivers/net/usb/cdc_subset.c:241:2: #warning You need to configure some hardware for this driver
The current behavior is clearly intentional, giving a warning when
a user picks a configuration that won't do anything good. The only
reason for even addressing this is that I'm getting close to
eliminating all 'randconfig' warnings on ARM, and this came up
a couple of times.
My workaround is to not even build the module when none of the
configurations are enable.
Alternatively we could simply remove the #warning (nothing wrong
for compile-testing), turn it into a runtime warning, or
change the Kconfig options into a menu to hide CONFIG_USB_NET_CDC_SUBSET.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In metadata mode, the vxlan interface is not supposed to use the fdb control
plane but an external one (openvswitch or static routes). With the current
code, packets may leak into the fdb handling code which usually causes them
to be dropped anyway but may have strange side effects.
Just drop the packets directly when in metadata mode if the destination data
are not correctly provided on egress.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A return value of the bchannel_get_rxbuf() function is compared with the
positive ENOMEM value instead of the negative -ENOMEM value to detect a
memory allocation problem. Thus, after a possible memory allocation
failure the bc->bch.rx_skb will be NULL which will lead to a NULL
pointer dereference.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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