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linux/drivers/md/dm-delay.c
Mikulas Patocka 81bc6d150a dm delay: fix a crash when invalid device is specified 
When the target line contains an invalid device, delay_ctr() will call
delay_dtr() with NULL workqueue.  Attempting to destroy the NULL
workqueue causes a crash.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2019-04-26 11:29:32 -04:00

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