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Videopix Frame Grabber: Fix unreleased lock in vfc_debug()

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Videopix Frame Grabber: vfc_debug() doesn't release the device lock
when copy_from_user() fails

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthias Kaehlcke 2007-07-31 00:39:23 -07:00 committed by Linus Torvalds
parent 0af1a45046
commit 8e48591700
1 changed files with 1 additions and 0 deletions
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drivers/sbus/char/vfc_dev.c
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@ -248,6 +248,7 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, void __user *argp)
buffer,inout.len); buffer,inout.len);
if (copy_to_user(argp,&inout,sizeof(inout))) { if (copy_to_user(argp,&inout,sizeof(inout))) {
vfc_unlock_device(dev);
kfree(buffer); kfree(buffer);
return -EFAULT; return -EFAULT;
} }