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radio_si470x: Fix free memory corruption 

The release path for a disconnected device frees the object then unlocks
the mutex in the freed object...

Found by Dan Carpenter using Smatch

Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2009-04-22 15:03:15 +01:00 committed by Linus Torvalds
parent 79e95eba02
commit ec5f5bf805
1 changed files with 1 additions and 1 deletions
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2
drivers/media/radio/radio-si470x.c
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@ -1200,7 +1200,7 @@ static int si470x_fops_release(struct file *file)
video_unregister_device(radio->videodev);
kfree(radio->buffer);
kfree(radio);
goto unlock;
goto done;
}
/* stop rds reception */