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/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 437ac78..64d7f47 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -737,7 +737,7 @@
if (ret) {
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
- return NULL;
+ return ERR_PTR(ret);
}
return &vfb->base;
@@ -747,7 +747,7 @@
ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo);
if (ret) {
DRM_ERROR("failed to find buffer: %i\n", ret);
- return NULL;
+ return ERR_PTR(-ENOENT);
}
ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
@@ -758,7 +758,7 @@
if (ret) {
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
- return NULL;
+ return ERR_PTR(ret);
}
return &vfb->base;
@@ -768,7 +768,7 @@
/* vmw_user_surface_lookup takes one ref */
vmw_surface_unreference(&surface);
- return NULL;
+ return ERR_PTR(-EINVAL);
}
static struct drm_mode_config_funcs vmw_kms_funcs = {
