drm/vmwgfx: remove redundant unlikely annotation

unlikely has already included in IS_ERR(), so just
remove redundant unlikely annotation.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Deepak Rawat <drawat@vmware.com>

drivers/gpu/drm/vmwgfx/vmwgfx_context.c

@@ -210,7 +210,7 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv,
 		for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
 			uctx->cotables[i] = vmw_cotable_alloc(dev_priv,
 							      &uctx->res, i);
-			if (unlikely(IS_ERR(uctx->cotables[i]))) {
+			if (IS_ERR(uctx->cotables[i])) {
 				ret = PTR_ERR(uctx->cotables[i]);
 				goto out_cotables;
 			}

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

@@ -660,7 +660,7 @@ vmw_cmd_res_check(struct vmw_private *dev_priv,
 
 		res = vmw_user_resource_noref_lookup_handle
 			(dev_priv, sw_context->fp->tfile, *id_loc, converter);
-		if (unlikely(IS_ERR(res))) {
+		if (IS_ERR(res)) {
 			DRM_ERROR("Could not find or use resource 0x%08x.\n",
 				  (unsigned int) *id_loc);
 			return PTR_ERR(res);
@@ -3835,7 +3835,7 @@ static int vmw_execbuf_tie_context(struct vmw_private *dev_priv,
 	res = vmw_user_resource_noref_lookup_handle
 		(dev_priv, sw_context->fp->tfile, handle,
 		 user_context_converter);
-	if (unlikely(IS_ERR(res))) {
+	if (IS_ERR(res)) {
 		DRM_ERROR("Could not find or user DX context 0x%08x.\n",
 			  (unsigned) handle);
 		return PTR_ERR(res);