Received: by 10.223.185.116 with SMTP id b49csp4194988wrg; Mon, 26 Feb 2018 12:59:17 -0800 (PST) X-Google-Smtp-Source: AH8x227DGHLgY6l/43uKUBRz5BW+nkXGlaKiZljxcIIvv9ic0KLB58BgJhJOT6nCxkOLvXFLkQNQ X-Received: by 10.99.168.75 with SMTP id i11mr9321814pgp.420.1519678757575; Mon, 26 Feb 2018 12:59:17 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519678757; cv=none; d=google.com; s=arc-20160816; b=qqcD2aK4AieoSJT37MUJOQ/016Of2eSC/PaitSpdWXW3esi5y4NgtLhG85v03ieo0/ V+DKO1fItrGhQiN701UMo79IboazIkpsOWkhkrqx54vlBG0mGnJgYkmNiQIk+CNWxwEL +hoMIr8OvqtnGj//Y5yubm1gjv8N2B1aoPstw0JhXb1QVpLTFDn8XqRS1P+e95XVY6ck W3R6ngT8IxHZYcXdzNN0p4scIzC00yngWY8RblfRyjTXsX9VtYba2RGB34ceIxPcRHlx DR8EOBsMQgbyKdQFDDK4qNN6qz9WjAm6JKxwFiCEvF1C2UsBL8d9iHqAoGpn7u6vYb13 EBaw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=48oon8vp3pV8s5lBibPPNkU+kJ+E3NZ7kBPZJ6vMR0g=; b=oHs9uauWZvaTt78qHcVMIs+i9sZ2eUJfL/RcoGv79sl0ymy1CXWu8AZh9VIZRRHFFl +/cOzWRqfTPfGnWvRnEEPmaDtUdtygn9gHqf261AWlJZbSs9ty+86Q3xGgMHtG52ZDeY BeHvWjHU7tQ0fd+nv8lB3WzVbcC0a09b4SF+yWDkeAIhASlPY3hGGMCPDG8EPkqXxpQm SpGPDPUVVdJgSIWvI4IT1yLn0KK4tTv1cdlUi8dbftvPnXykHbgZqRd9p3kY6/CZZG1A 1x1M09KXqbDBvs+ta3KzKDmGF/Rp6Co+SKbB/+alQNgEW4op2OSTfbTMMjJBi1pYPWze znyg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q10si2824141pfc.183.2018.02.26.12.59.00; Mon, 26 Feb 2018 12:59:17 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752528AbeBZUWj (ORCPT + 99 others); Mon, 26 Feb 2018 15:22:39 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:34164 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752523AbeBZUWf (ORCPT ); Mon, 26 Feb 2018 15:22:35 -0500 Received: from localhost (clnet-b04-243.ikbnet.co.at [83.175.124.243]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 399C1EAA; Mon, 26 Feb 2018 20:22:34 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Johannes Berg Subject: [PATCH 4.9 04/39] cfg80211: fix cfg80211_beacon_dup Date: Mon, 26 Feb 2018 21:20:25 +0100 Message-Id: <20180226201643.844709938@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180226201643.660109883@linuxfoundation.org> References: <20180226201643.660109883@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Arnd Bergmann commit bee92d06157fc39d5d7836a061c7d41289a55797 upstream. gcc-8 warns about some obviously incorrect code: net/mac80211/cfg.c: In function 'cfg80211_beacon_dup': net/mac80211/cfg.c:2896:3: error: 'memcpy' source argument is the same as destination [-Werror=restrict] >From the context, I conclude that we want to copy from beacon into new_beacon, as we do in the rest of the function. Cc: stable@vger.kernel.org Fixes: 73da7d5bab79 ("mac80211: add channel switch command and beacon callbacks") Signed-off-by: Arnd Bergmann Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- net/mac80211/cfg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2792,7 +2792,7 @@ cfg80211_beacon_dup(struct cfg80211_beac } if (beacon->probe_resp_len) { new_beacon->probe_resp_len = beacon->probe_resp_len; - beacon->probe_resp = pos; + new_beacon->probe_resp = pos; memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); pos += beacon->probe_resp_len; }