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(parent: 2868ec7) | patch
dm rq: cope with DM device destruction while in dm_old_request_fn()
authorMike Snitzer <snitzer@redhat.com>
Wed, 25 Jan 2017 15:24:52 +0000 (16:24 +0100)
committerMike Snitzer <snitzer@redhat.com>
Fri, 3 Feb 2017 15:18:43 +0000 (10:18 -0500)
commite82c09215fa204ee60f924e39ac9eaf18a016bcf
treebba4836d57a0ff1922c1831c62ba22b6bfd43794tree | snapshot
parent2868ec74469d881e8d1806740353b005de0ed315commit | diff
dm rq: cope with DM device destruction while in dm_old_request_fn()

Fixes a crash in dm_table_find_target() due to a NULL struct dm_table
being passed from dm_old_request_fn() that races with DM device
destruction.

Reported-by: artem@flashgrid.io
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
drivers/md/dm-rq.c diff | blob | history
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