drm/msm/atomic: Clean up planes in the error paths of .atomic_commit()

When the .atomic_commit() handler fails, clean up planes previoulsy
prepared by drm_atomic_helper_prepare_planes() with a call to
drm_atomic_helper_cleanup_planes().

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 84c0a72..b421c84 100644 (file)
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -213,8 +213,10 @@ int msm_atomic_commit(struct drm_device *dev,
                return ret;
 
        c = commit_init(state);
-       if (!c)
-               return -ENOMEM;
+       if (!c) {
+               ret = -ENOMEM;
+               goto error;
+       }
 
        /*
         * Figure out what crtcs we have:
@@ -247,7 +249,7 @@ int msm_atomic_commit(struct drm_device *dev,
        ret = start_atomic(dev->dev_private, c->crtc_mask);
        if (ret) {
                kfree(c);
-               return ret;
+               goto error;
        }
 
        /*
@@ -291,4 +293,8 @@ int msm_atomic_commit(struct drm_device *dev,
        complete_commit(c);
 
        return 0;
+
+error:
+       drm_atomic_helper_cleanup_planes(dev, state);
+       return ret;
 }