media: dvbdev: drop refcount on error path in dvb_device_open()

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[ Upstream commit a2dd235df4 ]

If call to file->f_op->open() fails, then call dvb_device_put(dvbdev).

Fixes: 0fc044b2b5 ("media: dvbdev: adopts refcnt to avoid UAF")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Dan Carpenter 2023-10-31 12:53:33 +03:00 • committed by Greg Kroah-Hartman

parent 4d6e15a5ea

commit 74e3f165d3

1 changed files with 2 additions and 0 deletions

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drivers/media/dvb-core/dvbdev.c

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