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/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 4c68f76..bdd0d90 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1682,9 +1682,9 @@
/* TODO setup destructor callback */
fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
- if (!fb) {
+ if (IS_ERR(fb)) {
DRM_ERROR("could not create framebuffer\n");
- ret = -EINVAL;
+ ret = PTR_ERR(fb);
goto out;
}