diff options
| author | Yu Zhao <yuzhao@google.com> | 2018-09-28 17:04:30 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-20 09:52:36 +0200 |
| commit | 0aa059ea2dacc7383052f9b2380edd3964f23033 (patch) | |
| tree | a307aa696198910bac3cb5b147edefe0f96e53ee /tools/perf/scripts/python | |
| parent | 1f3a2366922b3e0e1af3df011dae20929d3a8204 (diff) | |
net/usb: cancel pending work when unbinding smsc75xx
[ Upstream commit f7b2a56e1f3dcbdb4cf09b2b63e859ffe0e09df8 ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions