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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C781BCA9EBC for ; Sun, 27 Oct 2019 21:05:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FFE520873 for ; Sun, 27 Oct 2019 21:05:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572210346; bh=FXIHqNPnz+9NAMzrKONjsTjF/Zex8ZBGkpnsoFhCgwI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=RIS3DEM5b9svTXvEa22Y0rhv7IqvJ2rPvi6y8TRykXtzttPK6YkBHQVObX5sPOlg2 NSHSPak8gGxr14L8HwABDYzSsXtdARYUd14Mpof1s0gJGIYA19o2H6f2H6Ye1i8y1b NxNlzoj1zuatalf+G5Utq12U/RflRI57jjpVIS0U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728892AbfJ0VFo (ORCPT ); Sun, 27 Oct 2019 17:05:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:51578 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728889AbfJ0VFn (ORCPT ); Sun, 27 Oct 2019 17:05:43 -0400 Received: from localhost (100.50.158.77.rev.sfr.net [77.158.50.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 978DD2064A; Sun, 27 Oct 2019 21:05:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572210343; bh=FXIHqNPnz+9NAMzrKONjsTjF/Zex8ZBGkpnsoFhCgwI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0OTsbV3XZpay9mYeRlN/o1fPdgL6z5IDpIi9RjiU12DctT+IZlBDScWm4VZ2ZdmBP Fs32GbHLNco3MAKAOHe02OQ8bmT2thOUiFPrjFvOFrGVkoCtjwi5rgXgaZpfmhey57 Mz+uwM/ctbAE1pxYdwm1l8gYrvK019Nqx4Rg+4Ws= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Colin Ian King Subject: [PATCH 4.9 31/49] staging: wlan-ng: fix exit return when sme->key_idx >= NUM_WEPKEYS Date: Sun, 27 Oct 2019 22:01:09 +0100 Message-Id: <20191027203145.580889658@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191027203119.468466356@linuxfoundation.org> References: <20191027203119.468466356@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Colin Ian King commit 153c5d8191c26165dbbd2646448ca7207f7796d0 upstream. Currently the exit return path when sme->key_idx >= NUM_WEPKEYS is via label 'exit' and this checks if result is non-zero, however result has not been initialized and contains garbage. Fix this by replacing the goto with a return with the error code. Addresses-Coverity: ("Uninitialized scalar variable") Fixes: 0ca6d8e74489 ("Staging: wlan-ng: replace switch-case statements with macro") Signed-off-by: Colin Ian King Cc: stable Link: https://lore.kernel.org/r/20191014110201.9874-1-colin.king@canonical.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/wlan-ng/cfg80211.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -489,10 +489,8 @@ static int prism2_connect(struct wiphy * /* Set the encryption - we only support wep */ if (is_wep) { if (sme->key) { - if (sme->key_idx >= NUM_WEPKEYS) { - err = -EINVAL; - goto exit; - } + if (sme->key_idx >= NUM_WEPKEYS) + return -EINVAL; result = prism2_domibset_uint32(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,