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(parent: 6f3e5e4) | patch
dm log writes: fix check of kthread_run() return value
authorVladimir Zapolskiy <vz@mleia.com>
Wed, 9 Mar 2016 23:22:19 +0000 (01:22 +0200)
committerSasha Levin <alexander.levin@verizon.com>
Thu, 15 Sep 2016 22:53:30 +0000 (18:53 -0400)
commit14afdb21578a068c8c331e5695c5b7dd971dcb64
treee07c184bec7b358a799176f242cc59f04aa84a45tree | snapshot
parent6f3e5e4d8e4fc69a3aebe54d9073fa3418ef3fe1commit | diff
dm log writes: fix check of kthread_run() return value

[ Upstream commit 91e630d9ae6de6f740ef7c8176736eb55366833e ]

The kthread_run() function returns either a valid task_struct or
ERR_PTR() value, check for NULL is invalid.  This change fixes potential
for oops, e.g. in OOM situation.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
drivers/md/dm-log-writes.c diff | blob | history
Domain: System / Kernel;