drm/radeon: Add missing vblank_put in pageflip ioctl error path.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index bfa3a6cc170faeac705111c825b5c1a67ccf0979..0a22a1bb688c5e55a17043bb7f4e2e42cabae2fb 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -538,7 +538,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
                DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
                spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
                r = -EBUSY;
-               goto pflip_cleanup;
+               goto vblank_cleanup;
        }
        radeon_crtc->flip_status = RADEON_FLIP_PENDING;
        radeon_crtc->flip_work = work;
@@ -551,6 +551,9 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
        queue_work(radeon_crtc->flip_queue, &work->flip_work);
        return 0;
 
+vblank_cleanup:
+       drm_vblank_put(crtc->dev, radeon_crtc->crtc_id);
+
 pflip_cleanup:
        if (unlikely(radeon_bo_reserve(new_rbo, false) != 0)) {
                DRM_ERROR("failed to reserve new rbo in error path\n");