a...@linux-foundation.org wrote:
> From: Dan Carpenter <erro...@gmail.com>
>
> "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 <erro...@gmail.com>
> Cc: David Airlie <airl...@linux.ie>
> Signed-off-by: Andrew Morton <a...@linux-foundation.org>
>
Acked-by: Thomas Hellstrom <thellst...@vmware.com>
> ---
>
> 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
> ---
> a/drivers/gpu/drm/via/via_video.c~drivers-gpu-drm-via-via_videoc-fix-off-by-one-issue
> +++ a/drivers/gpu/drm/via/via_video.c
> @@ -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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