drm: Propagate error code from fb_create()
Change the interface to expect a PTR_ERR specifing the real error code
as opposed to assuming a NULL return => -EINVAL. Just once the user may
not be at fault!
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_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 74e6b4e..2e11fd6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -84,16 +84,16 @@
gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
if (!gem)
- return NULL;
+ return ERR_PTR(-ENOENT);
nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
if (!nouveau_fb)
- return NULL;
+ return ERR_PTR(-ENOMEM);
ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
if (ret) {
drm_gem_object_unreference(gem);
- return NULL;
+ return ERR_PTR(ret);
}
return &nouveau_fb->base;