drm: Propagate error from drm_fb_helper_init().
The previous commit fixes the problem, these commits make sure we actually
fail properly if it happens again.
I've squashed the commits from Chris since they are all fixing one issue.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index fd4a2df..c9a4a0d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -377,6 +377,7 @@
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fbdev *nfbdev;
+ int ret;
nfbdev = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
if (!nfbdev)
@@ -386,7 +387,12 @@
dev_priv->nfbdev = nfbdev;
nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
- drm_fb_helper_init(dev, &nfbdev->helper, 2, 4);
+ ret = drm_fb_helper_init(dev, &nfbdev->helper, 2, 4);
+ if (ret) {
+ kfree(nfbdev);
+ return ret;
+ }
+
drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
drm_fb_helper_initial_config(&nfbdev->helper, 32);
return 0;