drm: radeon: fix error value sign

enable_vblank implementations should use negative result to indicate error.
radeon_enable_vblank() returns EINVAL in this case.  Change this to -EINVAL.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
index 2f349a300195992c9450c9ddd1d6e091eed23ef8..465746bd51b76e4b88cbb1812f7729be430a6da7 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_irq.c
+++ b/drivers/gpu/drm/radeon/radeon_irq.c
@@ -76,7 +76,7 @@ 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;
                }
        } else {
                switch (crtc) {
@@ -89,7 +89,7 @@ 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;
                }
        }