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=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 ADF62C04AAB for ; Tue, 7 May 2019 14:04:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C5B820825 for ; Tue, 7 May 2019 14:04:25 +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="YbZrBmPS"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="giYbXG1Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726791AbfEGOEY (ORCPT ); Tue, 7 May 2019 10:04:24 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:39106 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726788AbfEGOEY (ORCPT ); Tue, 7 May 2019 10:04:24 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id C1A076016D; Tue, 7 May 2019 14:04:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1557237863; bh=Rh2Tb9urtGdokt8As1N1nKrD1+2/gAmYvJ/otuz1q7k=; h=Subject:From:In-Reply-To:References:To:Cc:Date:From; b=YbZrBmPSWNqypS0/n3YVqCzBs+FoTHC3m9TDZqFOzA9xLrmAci9nWIcmH+Jd89SBB RoxXcBdoGeUQRWu2pKjgrcNpowcOJJ1TQ7U9K+lWWSL7FNmvjEPjuv2sdpvd131s7C SXHG9foVBnVywWOBDgRLcPX+dRpSgBMogLhXQtdY= 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 A7C7E60350; Tue, 7 May 2019 14:04:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1557237863; bh=Rh2Tb9urtGdokt8As1N1nKrD1+2/gAmYvJ/otuz1q7k=; h=Subject:From:In-Reply-To:References:To:Cc:From; b=giYbXG1QioGxoB6xlpg3U/TJw8iZmWOvvyIimkrV+zD3XAzhApT868BbyqY4GzS1H J1UNhR3qzldt2OUU/rHX+L457FEhZKrjc1fXdIRiVW9mOXcHjDzyoJ4McdMOLVFAjR vSCdxy5YplTpfENQgOwkJLZHuEtxOiETPdbj715M= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A7C7E60350 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] ath10k: Check tx_stats before use it From: Kalle Valo In-Reply-To: <1556804210-28599-1-git-send-email-yintang@codeaurora.org> References: <1556804210-28599-1-git-send-email-yintang@codeaurora.org> To: Yingying Tang Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org User-Agent: pwcli/0.0.0-git (https://github.com/kvalo/pwcli/) Python/2.7.12 Message-Id: <20190507140423.C1A076016D@smtp.codeaurora.org> Date: Tue, 7 May 2019 14:04:23 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Yingying Tang wrote: > tx_stats will be freed and set to NULL before debugfs_sta node is > removed in station disconnetion process. So if read the debugfs_sta > node there may be NULL pointer error. Add check for tx_stats before > use it to resove this issue. > > Signed-off-by: Yingying Tang > Signed-off-by: Kalle Valo Patch applied to ath-next branch of ath.git, thanks. 9e7251fa3897 ath10k: Check tx_stats before use it -- https://patchwork.kernel.org/patch/10926861/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches