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Subject[PATCH] drm/radeon: radeon_enable_vblank should return negative error
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@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
---
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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