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

From: Dan Carpenter <[email protected]>

"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 <[email protected]>

Cc David Airlie <[email protected]>

Signed-off-by Andrew Morton <[email protected]>

---

 drivers/gpu/drm/via/via_video.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/gpu/drm/via/via_video.c~drivers-gpu-drm-via-via_videoc-fix-off-by-one-issue drivers/gpu/drm/via/via_video.c

drivers/gpu/drm/via/via_video.c renamed from drivers/gpu/drm/via/via_video.c~drivers-gpu-drm-via-via_videoc-fix-off-by-one-issue +1 -1

@@ -75,7 +75,7 @@ int via_decoder_futex(struct drm_device 
 
 	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);

_

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