From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13198C433E0 for ; Thu, 14 Jan 2021 07:11:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D067F2395C for ; Thu, 14 Jan 2021 07:10:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727002AbhANHKn (ORCPT ); Thu, 14 Jan 2021 02:10:43 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:32759 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725888AbhANHKn (ORCPT ); Thu, 14 Jan 2021 02:10:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610608157; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=TVFXDqec6pwCzdCIDxRRfvAbooVbruXrA3fULyG3QMk=; b=aUmMhBjRSrXAlAE/d48j6dTqWWg7LqIWZRal0qyLFdZTqO70p39TqFiYuD9rc32dQ/r+Gv AlAP+P5ofCcDhxYpiTHFKDCWdR2UhsmKAC1ENZ9QrUB9OgwAooisNb5FILoPVQWwFwcckm wAM21YingDdOAeZ8fn2RcoD/TCYYWiY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-114-s-iKU53eNSaXWPkBt1_cFQ-1; Thu, 14 Jan 2021 02:09:13 -0500 X-MC-Unique: s-iKU53eNSaXWPkBt1_cFQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E50CC425C8; Thu, 14 Jan 2021 07:09:11 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-12-100.pek2.redhat.com [10.72.12.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 07C9362951; Thu, 14 Jan 2021 07:09:06 +0000 (UTC) From: Jason Wang To: mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: elic@nvidia.com Subject: [PATCH V2] mlx5: vdpa: fix possible uninitialized var Date: Thu, 14 Jan 2021 15:09:04 +0800 Message-Id: <20210114070904.9981-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When compiling with -Werror=maybe-uninitialized, gcc may complains the possible uninitialized umem. Since the callers won't pass value other than 1 to 3, making 3 as default to fix the compiler warning. Signed-off-by: Jason Wang --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index f1d54814db97..07ccc61cd6f6 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -703,7 +703,7 @@ static void umem_destroy(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue case 2: umem = &mvq->umem2; break; - case 3: + default: umem = &mvq->umem3; break; } -- 2.25.1