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| author |   Yu Zhao <yuzhao@google.com> | 2018-09-28 17:04:30 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-10-04 13:51:30 -0700 |
| commit | f7b2a56e1f3dcbdb4cf09b2b63e859ffe0e09df8 (patch) | |
| tree | 54258f407d1147571214229d9d88ff9343f33d0e /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | Merge tag 'mac80211-for-davem-2018-10-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 (diff) | |
| download | linux-rng-f7b2a56e1f3dcbdb4cf09b2b63e859ffe0e09df8.tar.xz linux-rng-f7b2a56e1f3dcbdb4cf09b2b63e859ffe0e09df8.zip | |
net/usb: cancel pending work when unbinding smsc75xx
Cancel pending work before freeing smsc75xx private data structure
during binding. This fixes the following crash in the driver:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
IP: mutex_lock+0x2b/0x3f
<snipped>
Workqueue: events smsc75xx_deferred_multicast_write [smsc75xx]
task: ffff8caa83e85700 task.stack: ffff948b80518000
RIP: 0010:mutex_lock+0x2b/0x3f
<snipped>
Call Trace:
smsc75xx_deferred_multicast_write+0x40/0x1af [smsc75xx]
process_one_work+0x18d/0x2fc
worker_thread+0x1a2/0x269
? pr_cont_work+0x58/0x58
kthread+0xfa/0x10a
? pr_cont_work+0x58/0x58
? rcu_read_unlock_sched_notrace+0x48/0x48
ret_from_fork+0x22/0x40
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions