Re: [PATCH 2/2] radeon: Don't clobber error return value in page flipping cleanup paths.

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2011/7/12 Michel Dänzer <michel@xxxxxxxxxxx>:
> From: Michel Dänzer <michel.daenzer@xxxxxxx>
>
> Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx>

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/radeon/radeon_display.c |    9 ++-------
>  1 files changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
> index 71a4840..c2d8d25 100644
> --- a/drivers/gpu/drm/radeon/radeon_display.c
> +++ b/drivers/gpu/drm/radeon/radeon_display.c
> @@ -458,17 +458,12 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
>        return 0;
>
>  pflip_cleanup1:
> -       r = radeon_bo_reserve(rbo, false);
> -       if (unlikely(r != 0)) {
> +       if (unlikely(radeon_bo_reserve(rbo, false) != 0)) {
>                DRM_ERROR("failed to reserve new rbo in error path\n");
>                goto pflip_cleanup;
>        }
> -       r = radeon_bo_unpin(rbo);
> -       if (unlikely(r != 0)) {
> -               radeon_bo_unreserve(rbo);
> -               r = -EINVAL;
> +       if (unlikely(radeon_bo_unpin(rbo) != 0)) {
>                DRM_ERROR("failed to unpin new rbo in error path\n");
> -               goto pflip_cleanup;
>        }
>        radeon_bo_unreserve(rbo);
>
> --
> 1.7.5.4
>
>
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