[PATCH] drm/radeon: fix fence related segfault in CS

[Alex Deucher]

On Tue, Jul 3, 2012 at 8:11 AM, Christian König <deathsimple at vodafone.de> wrote:
> Don't return success if scheduling the IB fails, otherwise
> we end up with an oops in ttm_eu_fence_buffer_objects.
>
> Signed-off-by: Christian König <deathsimple at vodafone.de>
> Cc: stable at vger.kernel.org

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/radeon/radeon_cs.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
> index 142f894..17238f4 100644
> --- a/drivers/gpu/drm/radeon/radeon_cs.c
> +++ b/drivers/gpu/drm/radeon/radeon_cs.c
> @@ -377,7 +377,7 @@ static int radeon_cs_ib_chunk(struct radeon_device *rdev,
>         if (r) {
>                 DRM_ERROR("Failed to schedule IB !\n");
>         }
> -       return 0;
> +       return r;
>  }
>
>  static int radeon_bo_vm_update_pte(struct radeon_cs_parser *parser,
> --
> 1.7.9.5
>
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