[SPARC] Videopix Frame Grabber: Fix unreleased lock in vfc_debug()
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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -248,6 +248,7 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, void __user *argp)
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buffer,inout.len);
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if (copy_to_user(argp,&inout,sizeof(inout))) {
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vfc_unlock_device(dev);
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kfree(buffer);
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return -EFAULT;
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}
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