virt: vbox: simplify the return expression of vbg_input_open()

Simplify the return expression.
Reviewed-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NQinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20200921131113.93459-1-miaoqinglang@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/virt/vboxguest/vboxguest_linux.c

@@ -202,13 +202,8 @@ static int vbg_input_open(struct input_dev *input)
 {
 	struct vbg_dev *gdev = input_get_drvdata(input);
 	u32 feat = VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE | VMMDEV_MOUSE_NEW_PROTOCOL;
-	int ret;
 
-	ret = vbg_core_set_mouse_status(gdev, feat);
-	if (ret)
-		return ret;
-
-	return 0;
+	return vbg_core_set_mouse_status(gdev, feat);
 }
 
 /**