drm/i915: pin: delete duplicate check in intel_pin_and_fence_fb_obj()

The "ret" variable is checked on the previous line so we know it's
zero.  No need to check again.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211109114850.GB16587@kili

drivers/gpu/drm/i915/display/intel_fb_pin.c

@@ -142,14 +142,12 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
 	if (ret)
 		goto err;
 
-	if (!ret) {
 	vma = i915_gem_object_pin_to_display_plane(obj, &ww, alignment,
 						   view, pinctl);
 	if (IS_ERR(vma)) {
 		ret = PTR_ERR(vma);
 		goto err_unpin;
 	}
-	}
 
 	if (uses_fence && i915_vma_is_map_and_fenceable(vma)) {
 		/*