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>
diff --git a/drivers/gpu/drm/via/via_video.c b/drivers/gpu/drm/via/via_video.c
index 6ec04ac..6efac81 100644
--- a/drivers/gpu/drm/via/via_video.c
+++ b/drivers/gpu/drm/via/via_video.c
@@ -75,7 +75,7 @@
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);