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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 DF511C433FF for ; Fri, 9 Aug 2019 23:23:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A59F82086A for ; Fri, 9 Aug 2019 23:23:19 +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="dFinRMHm"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="dFinRMHm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726770AbfHIXXS (ORCPT ); Fri, 9 Aug 2019 19:23:18 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:55702 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726219AbfHIXXS (ORCPT ); Fri, 9 Aug 2019 19:23:18 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 97A786074F; Fri, 9 Aug 2019 23:23:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1565392997; bh=Z/uToZHand0AZYw/yT7Itox+SNXuy+UT3stslmnahKg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dFinRMHmePSY/ESAaBDE5a3sS14GwXaLunluxLRoj2F1zHaeTQiHEQr1YZKwCiDde +vMpVVRKkdtEjCZUMRqW2ZqJWafkNCJrST3NhN60N0WsPqltA36Ocl2c2i0Z13oj5P KMnT+gqvyQVEKyHBULwG6hwra4JQGz5748UWeGZ8= Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 0FB5360128; Fri, 9 Aug 2019 23:23:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1565392997; bh=Z/uToZHand0AZYw/yT7Itox+SNXuy+UT3stslmnahKg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dFinRMHmePSY/ESAaBDE5a3sS14GwXaLunluxLRoj2F1zHaeTQiHEQr1YZKwCiDde +vMpVVRKkdtEjCZUMRqW2ZqJWafkNCJrST3NhN60N0WsPqltA36Ocl2c2i0Z13oj5P KMnT+gqvyQVEKyHBULwG6hwra4JQGz5748UWeGZ8= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 09 Aug 2019 16:23:16 -0700 From: Pradeep Kumar Chitrapu To: John Crispin Cc: Johannes Berg , Kalle Valo , linux-wireless@vger.kernel.org, ath11k@lists.infradead.org Subject: Re: [PATCH 6/6] ath11k: switch to using ieee80211_tx_status_ext() In-Reply-To: <20190714154419.11854-7-john@phrozen.org> References: <20190714154419.11854-1-john@phrozen.org> <20190714154419.11854-7-john@phrozen.org> Message-ID: <2dc32161ae3cf25deae0542c72941dc4@codeaurora.org> X-Sender: pradeepc@codeaurora.org User-Agent: Roundcube Webmail/1.2.5 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org > @@ -431,12 +434,18 @@ static void ath11k_dp_tx_complete_msdu(struct > ath11k *ar, > - ieee80211_tx_status(ar->hw, msdu); > + spin_lock_bh(&ab->data_lock); > + peer = ath11k_peer_find_by_id(ab, ts->peer_id); > + arsta = (struct ath11k_sta *)peer->sta->drv_priv; Hi John, Accesing sta when peer is deleted is causing null pointer dereference issue. Thanks Pradeep