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It's possible to have a non-zero plane mask and still wind up with a
total data rate of zero. There are two cases where this can happen:
* planes are active (from the KMS point of view), but are
all fully clipped (positioned offscreen)
* the only active plane on a CRTC is the cursor (which is handled
independently and not counted into the general data rate computations
These are both valid display setups (although unusual), so we need to
drop the WARN().
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Testcase: kms_universal_planes.cursor-only-pipe-*
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1466196140-16336-4-git-send-email-matthew.d.roper@intel.com
Cc: stable@vger.kernel.org #v4.7+
(cherry picked from commit 43aa7e87507f519b0b2497b6fac1e894554eaef2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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intel_state->active_crtcs is usually only initialized when doing a
modeset. During our first atomic commit after boot, we're effectively
faking a modeset to sanitize the DDB/wm setup, so ensure that this field
gets initialized before use.
v2:
- Don't clobber active_crtcs if our first commit really is a modeset
(Maarten)
- Grab connection_mutex when faking a modeset during sanitization
(Maarten)
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1466196140-16336-2-git-send-email-matthew.d.roper@intel.com
Cc: stable@vger.kernel.org #v4.7+
(cherry picked from commit 1b54a880b250acc226b13cea221b90aa1b3e37dd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull two parisc fixes from Helge Deller:
"The first patch ensures that the high-res cr16 clocksource (which was
added in kernel 4.7) gets choosen as default clocksource for parisc.
The second patch moves the #define of EREFUSED down inside errno.h and
thus unbreaks building the gccgo compiler"
* 'parisc-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix order of EREFUSED define in errno.h
parisc: Fix automatic selection of cr16 clocksource
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When building gccgo in userspace, errno.h gets parsed and the go include file
sysinfo.go is generated.
Since EREFUSED is defined to the same value as ECONNREFUSED, and ECONNREFUSED
is defined later on in errno.h, this leads to go complaining that EREFUSED
isn't defined yet.
Fix this trivial problem by moving the define of EREFUSED down after
ECONNREFUSED in errno.h (and clean up the indenting while touching this line).
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
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Commit 54b66800907 (parisc: Add native high-resolution sched_clock()
implementation) added support to use the CPU-internal cr16 counters as reliable
clocksource with the help of HAVE_UNSTABLE_SCHED_CLOCK.
Sadly the commit missed to remove the hack which prevented cr16 to become the
default clocksource even on SMP systems.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 4.7+
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This is an entirely new driver instead of yet another set of patches
to sb_edac.c because:
1) Mapping from PCI devices to socket/memory controller is significantly
different. Skylake scatters devices on a socket across a number of
PCI buses.
2) There is an extra level of interleaving via the "mcroute" register
that would be a little messy to squeeze into the old driver.
3) Validation is getting too expensive. Changes to sb_edac need to
be checked against Sandy Bridge, Ivy Bridge, Haswell, Broadwell and
Knights Landing.
Acked-by: Aristeu Rozanski <aris@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The kernel test robot reported a usercopy failure in the new hardened
sanity checks, due to a page-crossing copy of the FPU state into the
task structure.
This happened because the kernel test robot was testing with SLOB, which
doesn't actually do the required book-keeping for slab allocations, and
as a result the hardening code didn't realize that the task struct
allocation was one single allocation - and the sanity checks fail.
Since SLOB doesn't even claim to support hardening (and you really
shouldn't use it), the straightforward solution is to just make the
usercopy hardening code depend on the allocator supporting it.
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"I2C has some pretty standard driver bugfixes and one minor cleanup"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: meson: Use complete() instead of complete_all()
i2c: brcmstb: Use complete() instead of complete_all()
i2c: bcm-kona: Use complete() instead of complete_all()
i2c: bcm-iproc: Use complete() instead of complete_all()
i2c: at91: fix support of the "alternative command" feature
i2c: ocores: add missed clk_disable_unprepare() on failure paths
i2c: cros-ec-tunnel: Fix usage of cros_ec_cmd_xfer()
i2c: mux: demux-pinctrl: properly roll back when adding adapter fails
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There is only one waiter for the completion, therefore there
is no need to use complete_all(). Let's make that clear by
using complete() instead of complete_all().
The usage pattern of the completion is:
meson_i2c_xfer_msg()
reinit_completion()
...
/* Start the transfer */
...
wait_for_completion_timeout()
Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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There is only one waiter for the completion, therefore there
is no need to use complete_all(). Let's make that clear by
using complete() instead of complete_all().
The usage pattern of the completion is:
brcmstb_send_i2c_cmd()
reinit_completion()
...
/* initiate transfer by setting iic_enable */
...
brcmstb_i2c_wait_for_completion()
Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Reviewed-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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There is only one waiter for the completion, therefore there
is no need to use complete_all(). Let's make that clear by
using complete() instead of complete_all().
The usage pattern of the completion is:
bcm_kona_send_i2c_cmd()
reinit_completion()
...
bcm_kona_i2c_send_cmd_to_ctrl()
...
wait_for_completion_timeout()
Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Tim Kryger <tim.kryger@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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There is only one waiter for the completion, therefore there
is no need to use complete_all(). Let's make that clear by
using complete() instead of complete_all().
The usage pattern of the completion is:
bcm_iproc_i2c_xfer_single_msg()
reinit_completion()
...
(activate the transfer)
...
wait_for_completion_timeout()
Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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The "alternative command" feature was introduced with sama5d2 SoCs.
Its purpose is to let the hardware i2c controller automatically send the
STOP condition on the i2c bus at the end of a data transfer.
Without this feature, the i2c driver has to write the 'STOP' bit into the
Control Register so the hardware i2c controller is triggered to send the
STOP condition on the bus.
Using the "alternative command" feature requires to set the transfer data
length into the 8bit DATAL field of the Alternative Command Register.
Hence only data transfers up to 255 bytes can take advantage of the
"alternative command" feature. For greater data transfer sizes, the driver
should use the previous implementation, when the "alternative command"
support was not implemented yet.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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clk_disable_unprepare() is missed on failure paths in ocores_i2c_probe().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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cros_ec_cmd_xfer returns success status if the command transport
completes successfully, but the execution result is incorrectly ignored.
In many cases, the execution result is assumed to be successful, leading
to ignored errors and operating on uninitialized data.
We've recently introduced the cros_ec_cmd_xfer_status() helper to avoid these
problems. Let's use it.
[Regarding the 'Fixes' tag; there is significant refactoring since the driver's
introduction, but the underlying logical error exists throughout I believe]
Fixes: 9d230c9e4f4e ("i2c: ChromeOS EC tunnel driver")
Cc: <stable@vger.kernel.org> # 9798ac6d32c1 mfd: cros_ec: Add cros_ec_cmd_xfer_status() helper
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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We also need to revert the dynamic OF change, so we get a consistent
state again. Otherwise, we might have two devices enabled e.g. after
pinctrl setup fails.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- a stable fix for DM round robin multipath path selector to disable
preemption before using this_cpu_ptr()
- a slight increase in DM crypt's mempool reserves to make swap ontop
of DM crypt more performant
- a few DM raid fixes to issues found while testing changes that were
merged in v4.8-rc1
* tag 'dm-4.8-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm raid: support raid0 with missing metadata devices
dm raid: enhance attempt_restore_of_faulty_devices() to support more devices
dm raid: fix restoring of failed devices regression
dm raid: fix frozen recovery regression
dm crypt: increase mempool reserve to better support swapping
dm round robin: do not use this_cpu_ptr() without having preemption disabled
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The raid0 MD personality does not start a raid0 array with any of its
data devices missing.
dm-raid was removing data/metadata device pairs unconditionally if it
failed to read a superblock off the respective metadata device of such
pair, resulting in failure to start arrays with the raid0 personality.
Avoid removing any data/metadata device pairs in case of raid0
(e.g. lvm2 segment type 'raid0_meta') thus allowing MD to start the
array.
Also, avoid region size validation for raid0.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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attempt_restore_of_faulty_devices() is limited to 64 when it should support
the new maximum of 253 when identifying any failed devices. It clears any
revivable devices via an MD personality hot remove and add cylce to allow
for their recovery.
Address by using existing functions to retrieve and update all failed
devices' bitfield members in the dm raid superblocks on all RAID devices
and check for any devices to clear in it.
Whilst on it, don't call attempt_restore_of_faulty_devices() for any MD
personality not providing disk hot add/remove methods (i.e. raid0 now),
because such personalities don't support reviving of failed disks.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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'lvchange --refresh RaidLV' causes a mapped device suspend/resume cycle
aiming at device restore and resync after transient device failures. This
failed because flag RT_FLAG_RS_RESUMED was always cleared in the suspend path,
thus the device restore wasn't performed in the resume path.
Solve by removing RT_FLAG_RS_RESUMED from the suspend path and resume
unconditionally. Also, remove superfluous comment from raid_resume().
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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On LVM2 conversions via lvconvert(8), the target keeps mapped devices in
frozen state when requesting RAID devices be resynchronized. This
applies to e.g. adding legs to a raid1 device or taking over from raid0
to raid4 when the rebuild flag's set on the new raid1 legs or the added
dedicated parity stripe.
Also, fix frozen recovery for reshaping as well.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Increase mempool size from 16 to 64 entries. This increase improves
swap on dm-crypt performance.
When swapping to dm-crypt, all available memory is temporarily exhausted
and dm-crypt can only use the mempool reserve.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Use local_irq_save() to disable preemption before calling
this_cpu_ptr().
Reported-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Fixes: b0b477c7e0dd ("dm round robin: use percpu 'repeat_count' and 'current_path'")
Cc: stable@vger.kernel.org # 4.6+
Suggested-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six fairly small fixes. The ipr, mpt3sas and ses ones all trigger
oopses. The megaraid one fixes an attach failure on io mapped only
cards, the fcoe one is an obvious problem in the error path and the
aacraid one is a theoretical security issue (ability to trick the
kernel into a buffer overrun)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
ses: Fix racy cleanup of /sys in remove_dev()
mpt3sas: Fix resume on WarpDrive flash cards
ipr: Fix sync scsi scan
megaraid_sas: Fix probing cards without io port
aacraid: Check size values after double-fetch from user
fcoe: Use kfree_skb() instead of kfree()
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Currently we free the resources backing the enclosure device before we
call device_unregister(). This is racy: during rmmod of low-level SCSI
drivers that hook into enclosure, we end up with a small window of time
during which writing to /sys can OOPS. Example trace with mpt3sas:
general protection fault: 0000 [#1] SMP KASAN
Modules linked in: mpt3sas(-) <...>
RIP: [<ffffffffa0388a98>] ses_get_page2_descriptor.isra.6+0x38/0x220 [ses]
Call Trace:
[<ffffffffa0389d14>] ses_set_fault+0xf4/0x400 [ses]
[<ffffffffa0361069>] set_component_fault+0xa9/0xf0 [enclosure]
[<ffffffff8205bffc>] dev_attr_store+0x3c/0x70
[<ffffffff81677df5>] sysfs_kf_write+0x115/0x180
[<ffffffff81675725>] kernfs_fop_write+0x275/0x3a0
[<ffffffff8151f810>] __vfs_write+0xe0/0x3e0
[<ffffffff8152281f>] vfs_write+0x13f/0x4a0
[<ffffffff81526731>] SyS_write+0x111/0x230
[<ffffffff828b401b>] entry_SYSCALL_64_fastpath+0x13/0x94
Fortunately the solution is extremely simple: call device_unregister()
before we free the resources, and the race no longer exists. The driver
core holds a reference over ->remove_dev(), so AFAICT this is safe.
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Reviewed-by: James Bottomley <jejb@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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mpt3sas crashes on resume after suspend with WarpDrive flash cards. The
reply_post_host_index array is not set back up after the resume, and we
deference a stale pointer in _base_interrupt().
[ 47.309711] BUG: unable to handle kernel paging request at ffffc90001f8006c
[ 47.318289] IP: [<ffffffffc00863ef>] _base_interrupt+0x49f/0xa30 [mpt3sas]
[ 47.326749] PGD 41ccaa067 PUD 41ccab067 PMD 3466c067 PTE 0
[ 47.333848] Oops: 0002 [#1] SMP
...
[ 47.452708] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.7.0 #6
[ 47.460506] Hardware name: Dell Inc. OptiPlex 990/06D7TR, BIOS A18 09/24/2013
[ 47.469629] task: ffffffff81c0d500 ti: ffffffff81c00000 task.ti: ffffffff81c00000
[ 47.479112] RIP: 0010:[<ffffffffc00863ef>] [<ffffffffc00863ef>] _base_interrupt+0x49f/0xa30 [mpt3sas]
[ 47.490466] RSP: 0018:ffff88041d203e30 EFLAGS: 00010002
[ 47.497801] RAX: 0000000000000001 RBX: ffff880033f4c000 RCX: 0000000000000001
[ 47.506973] RDX: ffffc90001f8006c RSI: 0000000000000082 RDI: 0000000000000082
[ 47.516141] RBP: ffff88041d203eb0 R08: ffff8804118e2820 R09: 0000000000000001
[ 47.525300] R10: 0000000000000001 R11: 00000000100c0000 R12: 0000000000000000
[ 47.534457] R13: ffff880412c487e0 R14: ffff88041a8987d8 R15: 0000000000000001
[ 47.543632] FS: 0000000000000000(0000) GS:ffff88041d200000(0000) knlGS:0000000000000000
[ 47.553796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.561632] CR2: ffffc90001f8006c CR3: 0000000001c06000 CR4: 00000000000406f0
[ 47.570883] Stack:
[ 47.575015] 000000001d211228 ffff88041d2100c0 ffff8800c47d8130 0000000000000100
[ 47.584625] ffff8804100c0000 100c000000000000 ffff88041a8992a0 ffff88041a8987f8
[ 47.594230] ffff88041d203e00 ffffffff81111e55 000000000000038c ffff880414ad4280
[ 47.603862] Call Trace:
[ 47.608474] <IRQ>
[ 47.610413] [<ffffffff81111e55>] ? call_timer_fn+0x35/0x120
[ 47.620539] [<ffffffff81100a1f>] handle_irq_event_percpu+0x7f/0x1c0
[ 47.629061] [<ffffffff81100b8c>] handle_irq_event+0x2c/0x50
[ 47.636859] [<ffffffff81103fff>] handle_edge_irq+0x6f/0x130
[ 47.644654] [<ffffffff8102fbf3>] handle_irq+0x73/0x120
[ 47.652011] [<ffffffff810c6ada>] ? atomic_notifier_call_chain+0x1a/0x20
[ 47.660854] [<ffffffff817e374b>] do_IRQ+0x4b/0xd0
[ 47.667777] [<ffffffff817e160c>] common_interrupt+0x8c/0x8c
[ 47.675635] <EOI>
Move the reply_post_host_index array setup into
mpt3sas_base_map_resources(), which is also in the resume path.
Cc: stable@vger.kernel.org
Signed-off-by: Greg Edwards <gedwards@fireweed.org>
Acked-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit b195d5e2bffd ("ipr: Wait to do async scan until scsi host is
initialized") fixed async scan for ipr, but broke sync scan. This fixes
sync scan back up.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Found one megaraid_sas HBA probe fails,
[ 187.235190] scsi host2: Avago SAS based MegaRAID driver
[ 191.112365] megaraid_sas 0000:89:00.0: BAR 0: can't reserve [io 0x0000-0x00ff]
[ 191.120548] megaraid_sas 0000:89:00.0: IO memory region busy!
and the card has resource like,
[ 125.097714] pci 0000:89:00.0: [1000:005d] type 00 class 0x010400
[ 125.104446] pci 0000:89:00.0: reg 0x10: [io 0x0000-0x00ff]
[ 125.110686] pci 0000:89:00.0: reg 0x14: [mem 0xce400000-0xce40ffff 64bit]
[ 125.118286] pci 0000:89:00.0: reg 0x1c: [mem 0xce300000-0xce3fffff 64bit]
[ 125.125891] pci 0000:89:00.0: reg 0x30: [mem 0xce200000-0xce2fffff pref]
that does not io port resource allocated from BIOS, and kernel can not
assign one as io port shortage.
The driver is only looking for MEM, and should not fail.
It turns out megasas_init_fw() etc are using bar index as mask. index 1
is used as mask 1, so that pci_request_selected_regions() is trying to
request BAR0 instead of BAR1.
Fix all related reference.
Fixes: b6d5d8808b4c ("megaraid_sas: Use lowest memory bar for SR-IOV VF support")
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In aacraid's ioctl_send_fib() we do two fetches from userspace, one the
get the fib header's size and one for the fib itself. Later we use the
size field from the second fetch to further process the fib. If for some
reason the size from the second fetch is different than from the first
fix, we may encounter an out-of- bounds access in aac_fib_send(). We
also check the sender size to insure it is not out of bounds. This was
reported in https://bugzilla.kernel.org/show_bug.cgi?id=116751 and was
assigned CVE-2016-6480.
Reported-by: Pengfei Wang <wpengfeinudt@gmail.com>
Fixes: 7c00ffa31 '[SCSI] 2.6 aacraid: Variable FIB size (updated patch)'
Cc: stable@vger.kernel.org
Signed-off-by: Dave Carroll <david.carroll@microsemi.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Use kfree_skb() instead of kfree() to free sk_buff.
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB fixes for reported issues for your tree.
The normal amount of gadget fixes, xhci fixes, new device ids, and a
few other minor things. All of them have been in linux-next for a
while, the full details are in the shortlog below"
* tag 'usb-4.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (43 commits)
xhci: don't dereference a xhci member after removing xhci
usb: xhci: Fix panic if disconnect
xhci: really enqueue zero length TRBs.
xhci: always handle "Command Ring Stopped" events
cdc-acm: fix wrong pipe type on rx interrupt xfers
usb: misc: usbtest: add fix for driver hang
usb: dwc3: gadget: stop processing on HWO set
usb: dwc3: don't set last bit for ISOC endpoints
usb: gadget: rndis: free response queue during REMOTE_NDIS_RESET_MSG
usb: udc: core: fix error handling
usb: gadget: fsl_qe_udc: off by one in setup_received_handle()
usb/gadget: fix gadgetfs aio support.
usb: gadget: composite: Fix return value in case of error
usb: gadget: uvc: Fix return value in case of error
usb: gadget: fix check in sync read from ep in gadgetfs
usb: misc: usbtest: usbtest_do_ioctl may return positive integer
usb: dwc3: fix missing platform_set_drvdata() in dwc3_of_simple_probe()
usb: phy: omap-otg: Fix missing platform_set_drvdata() in omap_otg_probe()
usb: gadget: configfs: add mutex lock before unregister gadget
usb: gadget: u_ether: fix dereference after null check coverify warning
...
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Remove the hcd after checking for the xhci last quirks, not before.
This caused a hang on a Alpine Ridge xhci based maching which remove
the whole xhci controller when unplugging the last usb device
CC: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After a device is disconnected, xhci_stop_device() will be invoked
in xhci_bus_suspend().
Also the "disconnect" IRQ will have ISR to invoke
xhci_free_virt_device() in this sequence.
xhci_irq -> xhci_handle_event -> handle_cmd_completion ->
xhci_handle_cmd_disable_slot -> xhci_free_virt_device
If xhci->devs[slot_id] has been assigned to NULL in
xhci_free_virt_device(), then virt_dev->eps[i].ring in
xhci_stop_device() may point to an invlid address to cause kernel
panic.
virt_dev = xhci->devs[slot_id];
:
if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue)
[] Unable to handle kernel paging request at virtual address 00001a68
[] pgd=ffffffc001430000
[] [00001a68] *pgd=000000013c807003, *pud=000000013c807003,
*pmd=000000013c808003, *pte=0000000000000000
[] Internal error: Oops: 96000006 [#1] PREEMPT SMP
[] CPU: 0 PID: 39 Comm: kworker/0:1 Tainted: G U
[] Workqueue: pm pm_runtime_work
[] task: ffffffc0bc0e0bc0 ti: ffffffc0bc0ec000 task.ti:
ffffffc0bc0ec000
[] PC is at xhci_stop_device.constprop.11+0xb4/0x1a4
This issue is found when running with realtek ethernet device
(0bda:8153).
Signed-off-by: Jim Lin <jilin@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Enqueue the first TRB even if full_len is zero.
Without this "adb install <apk>" freezes the system.
Signed-off-by: Alban Browaeys <alban.browaeys@gmail.com>
Fixes: 86065c2719a5 ("xhci: don't rely on precalculated value of needed trbs in the enqueue loop")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix "Command completion event does not match command" errors by always
handling the command ring stopped events.
The command ring stopped event is generated as a result of aborting
or stopping the command ring with a register write. It is not caused
by a command in the command queue, and thus won't have a matching command
in the comman list.
Solve it by handling the command ring stopped event before checking for a
matching command.
In most command time out cases we abort the command ring, and get
a command ring stopped event. The events command pointer will point at
the current command ring dequeue, which in most cases matches the timed
out command in the command list, and no error messages are seen.
If we instead get a command aborted event before the command ring stopped
event, the abort event will increse the command ring dequeue pointer, and
the following command ring stopped events command pointer will point at the
next, not yet queued command. This case triggered the error message
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes the "BOGUS urb xfer" warning logged by usb_submit_urb().
Signed-off-by: Gavin Li <git@thegavinli.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.8-rc2
Here is a fix of a memory leak in a driver-registration error path, and
some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
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udriver struct allocated by kzalloc() will not be freed
if usb_register() and next calls fail. This patch fixes this
by adding one more step with kfree(udriver) in error path.
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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This patch adds a set of compositions for Telit LE920A4.
Compositions in short are:
0x1207: tty + tty
0x1208: tty + adb + tty + tty
0x1211: tty + adb + ecm
0x1212: tty + adb
0x1213: ecm + tty
0x1214: tty + adb + ecm + tty
telit_le922_blacklist_usbcfg3 is reused for compositions 0x1211
and 0x1214 due to the same interfaces positions.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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BCM20706V2_EVAL is a WICED dev board designed with FT2232H USB 2.0
UART/FIFO IC.
To support BCM920706V2_EVAL dev board for WICED development on Linux.
Add the VID(0a5c) and PID(6422) to ftdi_sio driver to allow loading
ftdi_sio for this board.
Signed-off-by: Sheng-Hui J. Chu <s.jeffrey.chu@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Ivium Technologies uses the FTDI VID with custom PIDs for their line of
electrochemical interfaces and the PalmSens they developed for PalmSens
BV.
Signed-off-by: Robert Delien <robert@delien.nl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The device has four interfaces; the three serial ports ought to be
handled by this driver:
00 Diagnostic interface serial port
01 NMEA device serial port
02 Mass storage (sd card)
03 Modem serial port
The other product ids listed in the Windows driver are present already.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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In sg_timeout(), req->status is set to "-ETIMEDOUT" before calling
into usb_sg_cancel(). usb_sg_cancel() will do nothing and return
directly if req->status has been set to a non-zero value. This will
cause driver hang whenever transfer time out is triggered.
This patch fixes this issue. It could be backported to stable kernel
with version later than v3.15.
Cc: stable@vger.kernel.org # 3.15+
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.8-rc1
First set of fixes for v4.8-rc cycle. Again, dwc3 is
the most active driver with over 60% of this pull
request touching it.
The most important fixes are related to scatterlist
usage with dwc3. Before this pull request, we were
increment request->actual multiple times and this
would result in request->actual being larger than
request->length.
Also, if a we received a short packet midway through
processing a scatterlist, we were not clearning HWO
bit as we should.
Other than the large dwc3 scatterlist fixes, we have
a new Device ID for Intel's Kabylake silicon.
Other drivers, such as fsl_qe_udc and renesas udc,
also got a few minor fixes. Details are in shortlog.
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stop consuming TRBs when we reach one with HWO bit
already set. This will prevent us from prematurely
retiring a TRB.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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According to Synopsys Databook 2.60a, section 8.3.4,
it's stated that:
The LST bit should be set to 0 (isochronous
transfers normally continue until the
endpoint is removed entirely, at which time
an End Transfer command is used to stop the
transfer).
This patch makes sure that detail is observed and
fixes a regression with Android Audio playback
caused by recent changes to DWC3 gadget.
Signed-off-by: Janusz Dziedzic <januszx.dziedzic@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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When rndis data transfer is in progress, some Windows7 Host PC is not
sending the GET_ENCAPSULATED_RESPONSE command for receiving the response
for the previous SEND_ENCAPSULATED_COMMAND processed.
The rndis function driver appends each response for the
SEND_ENCAPSULATED_COMMAND in a queue. As the above process got corrupted,
the Host sends a REMOTE_NDIS_RESET_MSG command to do a soft-reset.
As the rndis response queue is not freed, the previous response is sent
as a part of this REMOTE_NDIS_RESET_MSG's reset response and the Host
block any more Rndis transfers.
Hence free the rndis response queue as a part of this soft-reset so that
the correct response for REMOTE_NDIS_RESET_MSG is sent properly during the
response command.
Signed-off-by: Rajkumar Raghupathy <raghup@codeaurora.org>
Signed-off-by: Xerox Lin <xerox_lin@htc.com>
[AmitP: Cherry-picked this patch and folded other relevant
fixes from Android common kernel android-4.4]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The udc device needs to be deleted if error occurs
Fixes: 855ed04a3758 ("usb: gadget: udc-core: independent registration of
gadgets and gadget drivers")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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