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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/core
Frederic sayed: "Most of these patches have been hanging around for
several month now, in -mmotm for a significant chunk. They already
missed a few releases."
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of seven bug fixes. Several fcoe fixes for locking
problems, initiator issues and a VLAN API change, all of which could
eventually lead to data corruption, one fix for a qla2xxx locking
problem which could lead to multiple completions of the same request
(and subsequent data corruption) and a use after free in the ipr
driver. Plus one minor MAINTAINERS file update"
(only six bugfixes in this pull, since I had already pulled the fcoe API
fix directly from Robert Love)
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] ipr: Avoid target_destroy accessing memory after it was freed
[SCSI] qla2xxx: Fix for locking issue between driver ISR and mailbox routines
MAINTAINERS: Fix fcoe mailing list
libfc: extend ex_lock to protect all of fc_seq_send
libfc: Correct check for initiator role
libfcoe: Fix Conflicting FCFs issue in the fabric
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This patch fixes a critical bug that was introduced in 3.9
related to VLAN tagging FCoE frames.
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3.10 fixes
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This warning was reported recently:
WARNING: at drivers/scsi/libfc/fc_exch.c:478 fc_seq_send+0x14f/0x160 [libfc]()
(Not tainted)
Hardware name: ProLiant DL120 G7
Modules linked in: tcm_fc target_core_iblock target_core_file target_core_pscsi
target_core_mod configfs dm_round_robin dm_multipath 8021q garp stp llc bnx2fc
cnic uio fcoe libfcoe libfc scsi_transport_fc scsi_tgt autofs4 sunrpc
pcc_cpufreq ipv6 hpilo hpwdt e1000e microcode iTCO_wdt iTCO_vendor_support
serio_raw shpchp ixgbe dca mdio sg ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi
ata_generic ata_piix hpsa dm_mirror dm_region_hash dm_log dm_mod [last unloaded:
scsi_wait_scan]
Pid: 5464, comm: target_completi Not tainted 2.6.32-272.el6.x86_64 #1
Call Trace:
[<ffffffff8106b747>] ? warn_slowpath_common+0x87/0xc0
[<ffffffff8106b79a>] ? warn_slowpath_null+0x1a/0x20
[<ffffffffa025f7df>] ? fc_seq_send+0x14f/0x160 [libfc]
[<ffffffffa035cbce>] ? ft_queue_status+0x16e/0x210 [tcm_fc]
[<ffffffffa030a660>] ? target_complete_ok_work+0x0/0x4b0 [target_core_mod]
[<ffffffffa030a766>] ? target_complete_ok_work+0x106/0x4b0 [target_core_mod]
[<ffffffffa030a660>] ? target_complete_ok_work+0x0/0x4b0 [target_core_mod]
[<ffffffff8108c760>] ? worker_thread+0x170/0x2a0
[<ffffffff810920d0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff8108c5f0>] ? worker_thread+0x0/0x2a0
[<ffffffff81091d66>] ? kthread+0x96/0xa0
[<ffffffff8100c14a>] ? child_rip+0xa/0x20
[<ffffffff81091cd0>] ? kthread+0x0/0xa0
[<ffffffff8100c140>] ? child_rip+0x0/0x20
It occurs because fc_seq_send can have multiple contexts executing within it at
the same time, and fc_seq_send doesn't consistently use the ep->ex_lock that
protects this structure. Because of that, its possible for one context to clear
the INIT bit in the ep->esb_state field while another checks it, leading to the
above stack trace generated by the WARN_ON in the function.
We should probably undertake the effort to convert access to the fc_exch
structures to use rcu, but that a larger work item. To just fix this specific
issue, we can just extend the ex_lock protection through the entire fc_seq_send
path
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: Gris Ge <fge@redhat.com>
CC: Robert Love <robert.w.love@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
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The service_params field is being checked against the symbol
FC_RPORT_ROLE_FCP_INITIATOR where it really should be checked
against FCP_SPPF_INIT_FCN.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Jack Morgan <jack.morgan@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
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When multiple FCFs in use, and first FIP Advertisement received is
with "Available for Login" i.e A bit set to 0, FCF selection will fail.
The fix is to remove the assumption in the code that first FCF is only
allowed selectable FCF.
Consider the scenario fip->fcfs contains FCF1(fabricname X, marked A=0)
FCF2(fabricname Y, marked A=1). list_first_entry(first) points to FCF1
and 1st iteration we ignore the FCF and on 2nd iteration we compare
FCF1 & FCF2 fabric name and we fails to perform FCF selection.
Signed-off-by: Krishna Mohan <krmohan@cisco.com>
Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
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Defined target_ids,array_ids and vsets_ids as unsigned long to avoid
target_destroy accessing memory after it was freed.
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The driver uses ha->mbx_cmd_flags variable to pass information between
its ISR and mailbox routines, however, it does so without the protection of
any locks. Under certain conditions, this can lead to multiple mailbox
command completions being signaled, which, in turn, leads to a false
mailbox timeout error for the subsequently issued mailbox command.
The issue occurs frequently but intermittenly with the Qlogic 8GFC mezz
card during card initialization, resulting in card initialization failure.
Signed-off-by: Gurinder (Sunny) Shergill <gurinder.shergill@hp.com>
Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Pull drm/qxl fix from Dave Airlie:
"Bad me forgot an access check, possible security issue, but since this
is the first kernel with it, should be fine to just put it in now"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/qxl: add missing access check for execbuffer ioctl
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Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fix from Sage Weil:
"This is a recently spotted regression in the snapshot behavior...
It turns out several tests weren't being run in the nightlies so this
took a while to spot"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: send snapshot context with writes
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Sending the right snapshot context with each write is required for
snapshots to work. Due to the ordering of calls, the snapshot context
is never set for any requests. This causes writes to the current
version of the image to be reflected in all snapshots, which are
supposed to be read-only.
This happens because rbd_osd_req_format_write() sets the snapshot
context based on obj_request->img_request. At this point, however,
obj_request->img_request has not been set yet, to the snapshot context
is set to NULL. Fix this by moving rbd_img_obj_request_add(), which
sets obj_request->img_request, before the osd request formatting
calls.
This resolves:
http://tracker.ceph.com/issues/5465
Reported-by: Karol Jurak <karol.jurak@gmail.com>
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
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Pull networking fixes from David Miller:
1) Found via trinity:
If you connect up an ipv6 socket to an ipv4 mapped address then an
ipv6 one, sendmsg() can croak because ip6_sk_dst_check() assumes the
route cached in the socket is an ipv6 one. In this case there is an
ipv4 route attached, so it gets stomped on.
Reported by Dave Jones and Hannes Frederic Sowa, fixed by Eric
Dumazet.
2) AF_KEY notifications leak some kernel memory to userspace, fix from
Mathias Krause.
3) DLCI calls __dev_get_by_name() without proper locking, and dlci_del
doesn't validate that the device being deleted is actually a DLCI
one. Fixes from Li Zefan.
4) Length check on bluetooth l2cap information responses is wrong, each
response type has a different lenth, so we should make sure it's in
a given range rather than enforce one single valid length. From
Jaganath Kanakkassery.
5) Receive FIFO overflow is really easy to trigger in stress scenerios
in the sh_eth driver, but the event isn't being handled properly at
all. Specifically, the mask of error interrupts doesn't include the
event so we never clear it, resulting in the driver becomming wedged
processing an interrupt that never gets cleared.
Fix from Sergei Shtylyov.
6) qlcnic sleeps while holding a spinlock, use mdelay() instead of
msleep(). From Shahed Shaikh.
7) Missing curly braces causes SIP netfilter NAT module to always drop
packets. Fix from Balazs Peter Odor.
8) ipt_ULOG in netfilter passes the wrong value to timer setup, causing
the timer to dereference crap when it fires. Fix from Gao Feng.
9) Missing RCU protection around txq->axq_acq traversal in
ath_txq_schedule(). Fix from Felix Fietkau.
10) Idle state transition test in ath9k_htc_config() is reversed, fix
from Sujith Manoharan.
11) IPV6 forwarding handles unicast Router Alert packets incorrectly.
It tests the wrong option state. Previously opt->ra being non-zero
indicated a router alert marking in the SKB, but now it's indicated
by a bit in opt->flags. Fix from YOSHIFUJI Hideaki.
12) SKB leak in GRE tunnel GSO handling, from Eric Dumazet.
13) get_user_pages_fast() error handling in TUN and MACVTAP use the same
local variable for the base index and the loop iterator for page
traversal, oops! Fix from Michael S Tsirkin.
14) ipv6_get_lladdr() can fail, and we must therefore check it's return
value in inet6_set_iftoken(). For from Hannes Frederic Sowa.
15) If you change an interface name and meanwhile can sneak in something
that looks up the name (like SO_BINDTODEVICE or SIOCGIFNAME) we can
deadlock with CONFIG_PREEMPT=n. Fix this by providing a helper
function that properly uses raw_seqcount_begin(). From Nicolas
Schichan.
16) Chain noise calibration test is inverted in iwlwifi, fix from
Nikolay Martynov.
17) Properly set TX iwlwifi descriptor flags for back requests. Fix
from Emmanuel Grumbach.
18) We can't assume skb_transport_header() is set in xt_TCPOPTSTRAP
module, fix from Pablo Neira Ayuso.
19) Some crummy APs don't provide the proper High Throughput info in
association response frames. Add a workaround by assume we'll use
whatever is in the beacon/probe. Fix from Johannes Berg.
20) mac80211 call to rate_idx_match_mask() swaps two arguments (mask and
channel width). Fix from Simon Wunderlich.
21) xt_TCPMSS (like xt_TCPOPTSTRAP) must not try to handle fragmented
frames. Fix from Phil Oester.
22) Fix rate control regression causing iwlwifi/iwlegacy chips to use
1Mbit/s on pre-11n networks. From Moshe Benji and Stanslaw Gruszka.
23) Disable brcmsmac power-save functions, they cause regressions. From
Arend van Spriel.
24) Enforce a sane minimum MTU in l2cap_build_cmd() otherwise we can
easily crash. Fix from Anderson Lizardo.
25) If a learning packet arrives during vxlan_stop() we crash, easily
fixed by checking netif_running(). From Stephen Hemminger.
26) Static vxlan FDB entries should not be migrated, also from Stephen.
27) skb_clone() failures not handled in vxlan_xmit(), oops. Also from
Stephen.
28) Add minimal driver for AR816x/AR817x ethernet chips, from Johannes
Berg.
29) Fix regression in userspace VLAN acceleration control, added by the
802.1ad support changes. Fix from Fernando Luis Vazquez Cao.
30) Interval selection for MLD queries in the bridging code was
reversed. Fix from Linus Lüssing.
31) ipv6's ndisc_send_redirect() erroneously writes to the packet we
received not the packet we are building to send out. Fix from
Matthias Schiffer.
32) Don't free netdev before unregistering it, in usb_8dev can driver.
From Marc Kleine-Budde.
33) Fix nl80211 attribute buffer races, from Johannes Berg.
34) Although netlink_diag.h is under uapi/ it isn't present in Kbuild.
From Stephen Hemminger.
35) Wrong address and family passed to MD5 key lookups in TCP, from
Aydin Arik.
36) phy_type attribute created by SFC driver should not be writable.
From Ben Hutchings.
37) Receive/Transmit queue allocations in pxa168_eth and mv643xx_eth
should use kzalloc(). Otherwise if setup fails half-way, we'll
dereference garbage when trying to teardown the rings. From Lubomir
Rintel.
38) Fix double-allocation of dst (resulting in unfreeable net device) in
ipv6's init_loopback(). From Gao Feng.
39) Fix fragmentation handling SKB leak in netfilter conntrack, we were
freeing the wrong skb pointer. From Phil Oester.
40) Don't report "-1" (SPEED_UNKNOWN) in bond_miimon_commit(), from
Nikolay Aleksandrov.
41) davinci_cpdma doesn't check for DMA mapping errors, letting the
device scribble to random addresses. From Sebastian Siewior.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (69 commits)
dlci: validate the net device in dlci_del()
dlci: acquire rtnl_lock before calling __dev_get_by_name()
af_key: fix info leaks in notify messages
ipv6: ip6_sk_dst_check() must not assume ipv6 dst
net: fix kernel deadlock with interface rename and netdev name retrieval.
net/tg3: Avoid delay during MMIO access
ipv6: check return value of ipv6_get_lladdr
macvtap: fix recovery from gup errors
tun: fix recovery from gup errors
gre: fix a possible skb leak
ipv6: Process unicast packet with Router Alert by checking flag in skb.
ath9k_htc: Handle IDLE state transition properly
ath9k: fix an RCU issue in calling ieee80211_get_tx_rates
netfilter: ipt_ULOG: fix incorrect setting of ulog timer
netfilter: ctnetlink: send event when conntrack label was modified
netfilter: nf_nat_sip: fix mangling
qlcnic: Do not sleep while holding spinlock
drivers: net: cpsw: fix compilation error with cpsw driver
tcp: doc : fix the syncookies default value
sh_eth: fix misreporting of transmit abort
...
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We triggered an oops while running trinity with 3.4 kernel:
BUG: unable to handle kernel paging request at 0000000100000d07
IP: [<ffffffffa0109738>] dlci_ioctl+0xd8/0x2d4 [dlci]
PGD 640c0d067 PUD 0
Oops: 0000 [#1] PREEMPT SMP
CPU 3
...
Pid: 7302, comm: trinity-child3 Not tainted 3.4.24.09+ 40 Huawei Technologies Co., Ltd. Tecal RH2285 /BC11BTSA
RIP: 0010:[<ffffffffa0109738>] [<ffffffffa0109738>] dlci_ioctl+0xd8/0x2d4 [dlci]
...
Call Trace:
[<ffffffff8137c5c3>] sock_ioctl+0x153/0x280
[<ffffffff81195494>] do_vfs_ioctl+0xa4/0x5e0
[<ffffffff8118354a>] ? fget_light+0x3ea/0x490
[<ffffffff81195a1f>] sys_ioctl+0x4f/0x80
[<ffffffff81478b69>] system_call_fastpath+0x16/0x1b
...
It's because the net device is not a dlci device.
Reported-by: Li Jinyue <lijinyue@huawei.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Otherwise the net device returned can be freed at anytime.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the EEH error is the result of a fenced host bridge, MMIO accesses
can be very slow (milliseconds) to timeout and return all 1's,
thus causing the driver various timeout loops to take way too long and
trigger soft-lockup warnings (in addition to taking minutes to recover).
It might be worthwhile to check if for any of these cases, ffffffff is
a valid possible value, and if not, bail early since that means the HW
is either gone or isolated. In the meantime, checking that the PCI channel
is offline would be workaround of the problem.
Cc: <stable@vger.kernel.org> # v3.0+
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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get user pages might fail partially in macvtap zero copy
mode. To recover we need to put all pages that we got,
but code used a wrong index resulting in double-free
errors.
Reported-by: Brad Hubbard <bhubbard@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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get user pages might fail partially in tun zero copy
mode. To recover we need to put all pages that we got,
but code used a wrong index resulting in double-free
errors.
Reported-by: Brad Hubbard <bhubbard@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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Make sure that a chip reset is done when IDLE is turned
off - this fixes authentication timeouts.
Cc: stable@vger.kernel.org
Reported-by: Ignacy Gawedzki <i@lri.fr>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ath_txq_schedule is called outside of the drv_tx call, so it needs RCU
protection.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch reverts commit a4791254b6625b06aa33e36304f6e8a1a4a1fdea
("qlcnic: change mdelay to msleep") which overwrote a commit
68b3f28c11bf896be32ad2a2e151aaa5f4a7c98e
("qlcnic: Fix scheduling while atomic bug")
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net/ethernet/ti/cpsw.c: In function 'cpsw_suspend':
drivers/net/ethernet/ti/cpsw.c:1979:26: error: 'priv' undeclared (first use in this function)
drivers/net/ethernet/ti/cpsw.c:1979:26: note: each undeclared identifier is reported only once for each function it appears in
make[4]: *** [drivers/net/ethernet/ti/cpsw.o] Error 1
The compilation error was introduced by the following commit
6d3d76f (drivers: net: cpsw: fix cpsw clock gating issue across suspend/resume)
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to obviously missing braces, EESR.TABT (transmit abort) interrupt may be
reported even if it hasn't happened, just when EESR.TWB (transmit descriptor
write-back) interrupt happens. Luckily (?), EESR.TWB is disabled by the driver
via the TRIMD register and all the interrupt masks, so that transmit abort is
never actually logged...
Put the braces where they should be and fix the incoherent comment, while at it.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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EESR.RFE (receive FIFO overflow) interrupt is enabled by the driver on all SoCs
and sh_eth_error() handles it but it's not present in any initializer/assignment
of the 'eesr_err_check' field of 'struct sh_eth_cpu_data'. This leads to that
interrupt not being handled and cleared, and finally to disabling IRQ and the
driver being non-functional.
Modify DEFAULT_EESR_ERR_CHECK macro and all explicit initializers of the above
mentioned field to contain the EESR.RFE bit. Remove useless backslashes from the
initializers, while at it.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Found in the Windows INF files while investigating the
Novatel/Verizon USB-1000 device. The USB-1000 is verified as
a Gobi1K device and works with QMI after loading appropriate
firmware.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the DMA mapping may fail the caller should check the return value.
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we have BOND_LINK_UP the speed is reported unconditionally with %u
format although it can be SPEED_UNKNOWN (-1). After this patch it returns
0 in that case in an attempt to keep the existing scripts happy.
One line is intenionally left 81 chars because it gets ugly if broken.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Old hypervisors don't mask out timestamp capability for slave. Till slave
support will be added, need to disable capability by slave.
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Zero pointer in rx_skb is how respective rxq_deinit() finds out out that a skb
slot is unallocated. If rxq_refill() fails (e.g. on OOM condition), subsequent
teardown would result in an attempt to kfree() invalid pointers.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Zero pointer in rx_skb or tx_skb is how respective *_deinit() functions find
out that a skb slot is unallocated. If *_init() functions unsuccessfully return
after the allocation (e.g. when subsequent dma_alloc_coherent() is not
successful), this would result in attempt to kfree() invalid pointers.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: Kosta Zertsekel <konszert@marvell.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver probe currently results in:
WARNING: at drivers/base/core.c:576 device_create_file+0x57/0x7e()
Attribute phy_type: write permission without 'store'
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The C ABI reverses the bitfield fill order when compiled as
little-endian.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The previous fix was still too agressive to meet ieee specs. Increase
to (14, 10).
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the EEE setup allowing to configure this support
when the link changes.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to some hardware integration issue, CPSW sliver modules requires a
reset across suspend/resume cycle for a successful clock gating to
CPGMAC (CPSW and Davinci MDIO) in AM335x PG1.0.
This issue is fixed in PG2.x, though to support suspend/resume on PG1.0
this reset is required.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commits 4c09eed9 (net: fec: Enable imx6 enet checksum acceleration) and
baa70a5c (net: fec: enable pause frame to improve rx prefomance for 1G
network) introduced functionality into the FEC driver which is not
supported on MCF5272. The registers used to implement this functionality
do not exist on MCF5272. Since register defines for MCF5272 are separate
from register defines for other chips, building images for MCF5272 fails
as follows.
fec_main.c: In function 'fec_restart':
fec_main.c:520:8: error: 'FEC_RACC' undeclared (first use in this function)
fec_main.c:585:3: error: 'FEC_R_FIFO_RSEM' undeclared (first use in this function)
fec_main.c:586:3: error: 'FEC_R_FIFO_RSFL' undeclared (first use in this function)
fec_main.c:587:3: error: 'FEC_R_FIFO_RAEM' undeclared (first use in this function)
fec_main.c:588:3: error: 'FEC_R_FIFO_RAFL' undeclared (first use in this function)
fec_main.c:591:3: error: 'FEC_OPD' undeclared (first use in this function)
Adding the missing register defines is not an option, since the registers
do not exist on MCF5272. Disable the added functionality for MCF5272 builds.
Cc: Frank Li <Frank.Li@freescale.com>
Cc: Jim Baxter <jim_baxter@mentor.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The check introduced by:
commit 26a41ae604381c5cc0caf1c3261ca6b298b5fe69
Author: stephen hemminger <stephen@networkplumber.org>
Date: Mon Jun 17 12:09:58 2013 -0700
vxlan: only migrate dynamic FDB entries
was not correct because it is checking flag about type of FDB
entry, rather than the state (dynamic versus static). The confusion
arises because vxlan is reusing values from bridge, and bridge is
reusing values from neighbour table, and easy to get lost in translation.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The usb_8dev hardware has problems on some xhci USB hosts. The driver fails to
read the firmware revision in the probe function. This leads to the following
Oops:
[ 3356.635912] kernel BUG at net/core/dev.c:5701!
The driver tries to free the netdev, which has already been registered, without
unregistering it.
This patch fixes the problem by unregistering the netdev in the error path.
Reported-by: Michael Olbrich <m.olbrich@pengutronix.de>
Reviewed-by: Bernd Krumboeck <krumboeck@universalnet.at>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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after priv->cpts got allocated then this pointer should check to determine
if the allocation succeeded or not.
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into wireless
John W. Linville says:
====================
This will probably be the last batch of wireless fixes intended
for 3.10. Many of these are one- or two-liners, and a couple of
others are mostly relocating existing code to avoid races or to
limit the code to effecting specific hardware, etc.
The mac80211 fixes have a couple of exceptions to the above.
Regarding those, Johannes says:
"Following davem's complaint about my patch, here's a new pull request
w/o the patch he was complaining about, but instead with the const
fix rolled into the fix.
I have a fix for radar detection, one for rate control and a workaround
for broken HT APs which is a regression fix because we didn't rely
on them to be correct before."
Johannes also sends some iwlwifi fixes:
"I picked up Nikolay's patch for the chain noise calibration bug
that seems to have been there forever, a fix from Emmanuel for
setting TX flags on BAR frames and a fix of my own to avoid printing
request_module() errors if the kernel isn't even modular. We also
have our own version of Stanislaw's fix for rate control."
Along with those...
Anderson Lizardo fixes a Bluetooth memory corruption bug when an MTU
value is set to too small of a value.
Arend van Spriel sends a revised brcmsmac bug that fixes a regression
caused by a bad return value in an earlier patch. He also sends a
brcmfmac fix to avoid an oops when loading the driver at boot.
Daniel Drake fixes a race condition in btmrvl that causes hangs on
suspend for OLPC hardware.
Johan Hedberg adds a check to avoid sending a
HCI_Delete_Stored_Link_Key command to devices that don't support them,
avoiding some scary looking log spam.
Stanislaw Gruszka gives us a fix for iwlegacy to be able to use rates
higher than 1Mb/s on older wireless networks. He also sends an rt2x00
fix to reinstate older tx power handling behavior for some devices
that didn't work well with the current code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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When initialization within brcmf_bus_start() fails on steps
before the brcmf_net_attach() the net_device for the primary
interface needs to be freed.
This patch resolves a panic during kernel boot as reported
by Stephen Warren.
ref.: http://mid.gmane.org/51AD1F22.2080004@wwwdotorg.org
Tested-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There is currently a race condition in the btmrvl_remove_card() which
is causing hangs on suspend for OLPC. When the race occurs,
kthread_stop() never returns.
The problem is that btmrvl_service_main_thread() calls kthread_should_stop()
and then does a fair number of things before restarting the loop and
sleeping.
If the thread gets stopped after kthread_should_stop() is checked, but
before the sleep happens, the thread will go to sleep and won't necessarily
be woken up.
Move the kthread_should_stop() check into a race-free place.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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Since driver does not use control.rates[0].count, we have never set that
variable. But currently, after rate control API rewrite, this is required
by mac80211. Otherwise legacy rates control does not work and we transmit
always at 1Mbit/s on pre 11n networks.
[same fix as for iwlegacy, thanks Stanislaw!]
Signed-off-by: Moshe Benji <Moshe.Benji@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Somehow, the Tx flags for BAR were completely wrong.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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First step of chain noise calibration process had disable flag
check inverted. Chain noise calibration never started because
of this.
Tested on intel 5300 with two antennas attached. The driver
correctly disabled one chain.
Cc: stable@vger.kernel.org
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the opmode modules aren't modular, there's no point in
printing an error message that request_module() failed.
This will happen because the probe runs during iwlwifi's
init and the opmode is only added during its init.
Reported-by: Jörg Otte <jrg.otte@gmail.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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