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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D728CCA9EBD for ; Fri, 25 Oct 2019 14:03:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A632220679 for ; Fri, 25 Oct 2019 14:03:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572012233; bh=ISAo5vn+007S4sNbFtUYwHTVpHMeCjtJiDa8U5Y8dL8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=pBQHup4pXQFbsA6S4iMpb10v/NZsZntIdlcDmS7kLLDGjKotAI0YEuOHp/61TTFAq T5aHSFPBWmTa53WNjx/A2gEsVH9d1yBenjPNEKim9nHH3YdjkOxGLPQsVEIX3BjJ4B PTsgOWeQ+w58PNEckrU15U+mulZ4c1eVl0dqG3Nc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2395136AbfJYODr (ORCPT ); Fri, 25 Oct 2019 10:03:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:51498 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394740AbfJYN45 (ORCPT ); Fri, 25 Oct 2019 09:56:57 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 23A9521D7F; Fri, 25 Oct 2019 13:56:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572011817; bh=ISAo5vn+007S4sNbFtUYwHTVpHMeCjtJiDa8U5Y8dL8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BBLeCfegR7seo/Cjb+iCjBhXC6lNFmfdnIM1tSDvlPsmVXRm+V1MKjfu454G5beMt eZ4BY2Tui3FLHfw9tRl65e90u1L+gK2YlWTUiNi5EE0om94WArp25FqzFK1dl7/CVJ s57T5OlZ6VS0cPBmORbMl46kx1PqMro0I3naeowk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Valentin Vidic , syzbot+f1842130bbcfb335bac1@syzkaller.appspotmail.com, "David S . Miller" , Sasha Levin , linux-usb@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 28/37] net: usb: sr9800: fix uninitialized local variable Date: Fri, 25 Oct 2019 09:55:52 -0400 Message-Id: <20191025135603.25093-28-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191025135603.25093-1-sashal@kernel.org> References: <20191025135603.25093-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Valentin Vidic [ Upstream commit 77b6d09f4ae66d42cd63b121af67780ae3d1a5e9 ] Make sure res does not contain random value if the call to sr_read_cmd fails for some reason. Reported-by: syzbot+f1842130bbcfb335bac1@syzkaller.appspotmail.com Signed-off-by: Valentin Vidic Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/sr9800.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c index 35f39f23d8814..8f8c9ede88c26 100644 --- a/drivers/net/usb/sr9800.c +++ b/drivers/net/usb/sr9800.c @@ -336,7 +336,7 @@ static void sr_set_multicast(struct net_device *net) static int sr_mdio_read(struct net_device *net, int phy_id, int loc) { struct usbnet *dev = netdev_priv(net); - __le16 res; + __le16 res = 0; mutex_lock(&dev->phy_mutex); sr_set_sw_mii(dev); -- 2.20.1