Commit 22fb573a authored Apr 27, 2010 by Dan Carpenter Committed by Dave Airlie Apr 28, 2010

drivers/gpu/drm/via/via_video.c: fix off by one issue



"fx->lock" is used as the index in "dev_priv->decoder_queue[fx->lock]"
which is an array of "VIA_NR_XVMC_LOCKS" elements.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent ccb2ad57

drivers/gpu/drm/via/via_video.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -75,7 +75,7 @@ int via_decoder_futex(struct drm_device dev, void data, struct drm_file *file_

		DRM_DEBUG("\n");

		if (fx->lock > VIA_NR_XVMC_LOCKS)
		if (fx->lock >= VIA_NR_XVMC_LOCKS)
		return -EFAULT;

		lock = (volatile int *)XVMCLOCKPTR(sAPriv, fx->lock);