Zilin Guan 43e5302d22
media: tegra-video: Fix memory leak in __tegra_channel_try_format() ...
The state object allocated by __v4l2_subdev_state_alloc() must be freed
with __v4l2_subdev_state_free() when it is no longer needed.
In __tegra_channel_try_format(), two error paths return directly after
v4l2_subdev_call() fails, without freeing the allocated 'sd_state'
object. This violates the requirement and causes a memory leak.
Fix this by introducing a cleanup label and using goto statements in the
error paths to ensure that __v4l2_subdev_state_free() is always called
before the function returns.
Fixes: 56f64b82351ebaeb0983stable@vger.kernel.org
Signed-off-by: Zilin Guan <zilin@seu.edu.cn >
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org >
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