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linux/drivers/mailbox/mailbox-test.c
Dan Carpenter 7d233f9359 mailbox: mailbox-test: fix a locking issue in mbox_test_message_write() 
[ Upstream commit 8fe72b76db ]

There was a bug where this code forgot to unlock the tdev->mutex if the
kzalloc() failed.  Fix this issue, by moving the allocation outside the
lock.

Fixes: 2d1e952a2b ("mailbox: mailbox-test: Fix potential double-free in mbox_test_message_write()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Lee Jones <lee@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-06-09 10:34:17 +02:00

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