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=-3.7 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED 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 2BE8AC67839 for ; Thu, 13 Dec 2018 14:52:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E55202086D for ; Thu, 13 Dec 2018 14:52:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="PosKgbPN"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Rz58noel" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E55202086D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729180AbeLMOwd (ORCPT ); Thu, 13 Dec 2018 09:52:33 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:40682 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727822AbeLMOwc (ORCPT ); Thu, 13 Dec 2018 09:52:32 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 28C0360960; Thu, 13 Dec 2018 14:52:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1544712752; bh=+iWQ0Q5a5sB4+yWqq4tZ4R7zqV21cme7RV5BytbWc5s=; h=Subject:From:In-Reply-To:References:To:Cc:Date:From; b=PosKgbPNcUgHslkrD2uFK2nzLBAZx4ioohje28QXy3ZMCjxOlN1HL1BJ3xgAS2Qgr vbcMx9/MupAwjBcLgPp2MCl2pGvOXtYgWuj2/YKGBGmyHbw8X+M6r6hhWivqKZWpF5 oTDOZxm4fn0Vy00RO7JG4eDDbZwT9qK/RbpZClw0= Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: kvalo@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 268596074E; Thu, 13 Dec 2018 14:52:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1544712747; bh=+iWQ0Q5a5sB4+yWqq4tZ4R7zqV21cme7RV5BytbWc5s=; h=Subject:From:In-Reply-To:References:To:Cc:From; b=Rz58noeliP02p8alhCbqbD+fwyhfHA9iSsRPUbAQhx4Yq15L7vxkvsSXJAG87Sma/ hPXtHaLN9R/ih75NQMHhK9vmCQBejMDg6UvSwn2RWNJecfJc+rrS7mv4Sz4S1yhScQ Xm2fnvxjpOrl8Y57ozHbkTdVDd7yMM+lPzxYegqc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 268596074E Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [PATCH] brcmfmac: fix false-positive -Wmaybe-unintialized warning From: Kalle Valo In-Reply-To: <20181210205555.3000038-1-arnd@arndb.de> References: <20181210205555.3000038-1-arnd@arndb.de> To: Arnd Bergmann Cc: Arend van Spriel , Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng , Arnd Bergmann , "David S. Miller" , Hans de Goede , Pieter-Paul Giesberts , Lyude Paul , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org User-Agent: pwcli/0.0.0-git (https://github.com/kvalo/pwcli/) Python/2.7.12 Message-Id: <20181213145232.28C0360960@smtp.codeaurora.org> Date: Thu, 13 Dec 2018 14:52:28 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Arnd Bergmann wrote: > When CONFIG_NO_AUTO_INLINE is set, we get a false-postive warning > for the brcmf_fw_request_nvram_done() function, after gcc figures > out that brcmf_fw_nvram_from_efi() might not set the 'data_len' > variable, but fails to notice that it always returns NULL: > > drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c: In function 'brcmf_fw_request_nvram_done': > drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c:560:11: error: 'data_len' may be used uninitialized in this function [-Werror=maybe-uninitialized] > > Mark it 'inline' to force gcc to understand this. > > Fixes: ce2e6db554fa ("brcmfmac: Add support for getting nvram contents from EFI variables") > Signed-off-by: Arnd Bergmann > Reviewed-by: Hans de Goede Commit ce2e6db554fa is in w-d-next so this should go to that tree as well. -- https://patchwork.kernel.org/patch/10722445/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches