[PATCH] drm/radeon: radeon_enable_vblank should return negativeerror

[Marcin Slusarz]

radeon_enable_vblank <- drm_vblank_get <- drm_wait_vblank 
and drm_wait_vblank returns negative values on error

Signed-off-by: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
---
compile tested only
---
 drivers/char/drm/radeon_irq.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c
--- a/drivers/char/drm/radeon_irq.c
+++ b/drivers/char/drm/radeon_irq.c
@@ -59,7 +59,7 @@ int radeon_enable_vblank(struct drm_device *dev, int crtc)
 	default:
 		DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
 			  crtc);
-		return EINVAL;
+		return -EINVAL;
 	}
 
 	return 0;
-- 
--
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