media: usbtv: Remove useless locks in usbtv_video_free()

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In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Remove useless locks in usbtv_video_free() Remove locks calls in usbtv_video_free() because are useless and may led to a deadlock as reported here: https://syzkaller.appspot.com/x/bisect.txt?x=166dc872180000 Also remove usbtv_stop() call since it will be called when unregistering the device. Before 'c838530d230b' this issue would only be noticed if you disconnect while streaming and now it is noticeable even when disconnecting while not streaming. [hverkuil: fix minor spelling mistake in log message]

Source published

1 May 2024 13:04:34 UTC

Source modified

15 Oct 2026 00:40:07 UTC

Observed here

23 Oct 2026 15:48:27 UTC

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