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>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index bfa3a6cc170f..0a22a1bb688c 100644
--- 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");