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=-4.0 required=3.0 tests=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 87E41C43381 for ; Wed, 13 Mar 2019 10:27:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61C65214AE for ; Wed, 13 Mar 2019 10:27:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726155AbfCMK1Z (ORCPT ); Wed, 13 Mar 2019 06:27:25 -0400 Received: from mx2.suse.de ([195.135.220.15]:55920 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725868AbfCMK1Z (ORCPT ); Wed, 13 Mar 2019 06:27:25 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 656C6AFFC; Wed, 13 Mar 2019 10:27:24 +0000 (UTC) Date: Wed, 13 Mar 2019 11:27:24 +0100 Message-ID: From: Takashi Iwai To: "Aditya Pakki" Cc: , "Jaroslav Kysela" , , Subject: Re: [PATCH] ALSA: usx2y: Fix potential NULL pointer dereference In-Reply-To: <20190304230003.13050-1-pakki001@umn.edu> References: <20190304230003.13050-1-pakki001@umn.edu> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 05 Mar 2019 00:00:02 +0100, Aditya Pakki wrote: > > usb_alloc_urb can fail due to kmalloc failure and push the error > upstream. Further this can cause a NULL pointer dereference in > init_pipe_urbs. This patch avoids such a scenario. > > Signed-off-by: Aditya Pakki Applied, thanks. Takashi