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authorDan Carpenter <error27@gmail.com>2010-04-27 14:11:03 -0700
committerDave Airlie <airlied@redhat.com>2010-04-28 18:41:31 +1000
commit22fb573affe51845622c4763653f60e130f80586 (patch)
treec3dbab6233d9061e2e184b96978b02f0b2f172fc /drivers/gpu/drm/via
parentccb2ad579f910e6146adf4eb3aa50325253ee8c9 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/via')
-rw-r--r--drivers/gpu/drm/via/via_video.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/via/via_video.c b/drivers/gpu/drm/via/via_video.c
index 6ec04ac12459..6efac8117c93 100644
--- a/drivers/gpu/drm/via/via_video.c
+++ b/drivers/gpu/drm/via/via_video.c
@@ -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);