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(parent: 53464c3) | patch
dm log userspace: fix memory leak in dm_ulog_tfr_init failure path
authorAlexey Khoroshilov <khoroshilov@ispras.ru>
Wed, 1 Oct 2014 20:58:35 +0000 (22:58 +0200)
committerMike Snitzer <snitzer@redhat.com>
Mon, 6 Oct 2014 00:03:38 +0000 (20:03 -0400)
commitcdcfc5bad579b57dae9caee011afebdd22e91f3a
treebdc75b4c2fc10dd0087fdf05b47739902acf52f2tree | snapshot
parent53464c35db3539267d1e1a74ba52b6a4b7a06a9ecommit | diff
dm log userspace: fix memory leak in dm_ulog_tfr_init failure path

If cn_add_callback() fails in dm_ulog_tfr_init(), it does not
deallocate prealloced memory but calls cn_del_callback().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
drivers/md/dm-log-userspace-transfer.c diff | blob | history
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