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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC367C4708D for ; Mon, 12 Dec 2022 13:51:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233112AbiLLNvz (ORCPT ); Mon, 12 Dec 2022 08:51:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233215AbiLLNvZ (ORCPT ); Mon, 12 Dec 2022 08:51:25 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C12CE2D for ; Mon, 12 Dec 2022 05:50:41 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 08D7961068 for ; Mon, 12 Dec 2022 13:50:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1991C433D2; Mon, 12 Dec 2022 13:50:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1670853040; bh=3Idp924/+RbxfCg//MoYbBmpFnPYxyD7/AIr3Dqwz0E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0dmDSLi2WyfBorxDrwGfQIS29Jtb/BdKBV9CRAR65b/Z1TZHYkOLvUDf6D/aQkT7u Kqet3LlNZqzE1KT5eWCYz0ThGPacK6uGPJir065367VtFzA3R741fEUeNF45tWv0G2 ZKrS5l+qL7veHU6U7Db0l+iKGU2Sk4IX0FdYlHmQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Juergen Gross , Jan Beulich , Ross Lagerwall , Jason Andryuk , Sasha Levin Subject: [PATCH 4.19 45/49] xen/netback: fix build warning Date: Mon, 12 Dec 2022 14:19:23 +0100 Message-Id: <20221212130915.921390898@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221212130913.666185567@linuxfoundation.org> References: <20221212130913.666185567@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Juergen Gross [ Upstream commit 7dfa764e0223a324366a2a1fc056d4d9d4e95491 ] Commit ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in the non-linear area") introduced a (valid) build warning. There have even been reports of this problem breaking networking of Xen guests. Fixes: ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in the non-linear area") Signed-off-by: Juergen Gross Reviewed-by: Jan Beulich Reviewed-by: Ross Lagerwall Tested-by: Jason Andryuk Signed-off-by: Juergen Gross Signed-off-by: Sasha Levin --- drivers/net/xen-netback/netback.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 72379dae113a..fc389f2bba7a 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -523,7 +523,7 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue, const bool sharedslot = nr_frags && frag_get_pending_idx(&shinfo->frags[0]) == copy_pending_idx(skb, copy_count(skb) - 1); - int i, err; + int i, err = 0; for (i = 0; i < copy_count(skb); i++) { int newerr; -- 2.35.1