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

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"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>
This commit is contained in:
Dan Carpenter 2010-04-27 14:11:03 -07:00 committed by Dave Airlie
parent ccb2ad579f
commit 22fb573aff
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/via/via_video.c
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@ -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);