dm-verity: correctly handle dm_bufio_client_create() failure

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[ Upstream commit 119f4f0418 ]

If either of the calls to dm_bufio_client_create() in verity_fec_ctr()
fails, then dm_bufio_client_destroy() is later called with an ERR_PTR()
argument.  That causes a crash.  Fix this.

Fixes: a739ff3f54 ("dm verity: add support for forward error correction")
Cc: stable@vger.kernel.org
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Eric Biggers 2025-12-19 11:29:08 -08:00 • committed by Sasha Levin

parent ff613d11f7

commit 9b8dc1d327

1 changed files with 2 additions and 2 deletions

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drivers/md/dm-verity-fec.c

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