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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 6EB03C4708A for ; Mon, 24 May 2021 15:04:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 50A4B61090 for ; Mon, 24 May 2021 15:04:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234828AbhEXPFH (ORCPT ); Mon, 24 May 2021 11:05:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:33934 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234081AbhEXO5o (ORCPT ); Mon, 24 May 2021 10:57:44 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AD1A461454; Mon, 24 May 2021 14:49:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621867761; bh=YMUIRBqPsKnP1v3cJ/Dw9pNi02k97cYZ5bin7a9UhRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l950xGGA2GpFye5Jxh/0mDLOISZsits3vZ/FAarrSAC5h4wEap+cfOxWweUbpW2ur Vg/jPPMSozb5sTffvgeUtqmoUew7ZGTyiJ8ORkBuURKDhZYzoBq35tgXuK/4b0RRK9 P3Y0JaxmOwcJISpEEr57GZz0ZuBrsTDRGSqGaCYLxJ4HkpUn/vlI0+4hrcLFupjAjB qCxrIvxE0jnAjrMO9h6NglaFJRAOOxhsaIAPvjfFynUJ8DfLIIjAHQZHPiFN/MdA1+ HyUdsNH4cH26/OfuEodTFOeZCQFOJV2o6e51uxZBd8so93Uayy37ejO36kZJD77N13 WK6/FpURdpQ2g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , Aditya Pakki , Takashi Iwai , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.4 15/52] Revert "ALSA: usx2y: Fix potential NULL pointer dereference" Date: Mon, 24 May 2021 10:48:25 -0400 Message-Id: <20210524144903.2498518-15-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210524144903.2498518-1-sashal@kernel.org> References: <20210524144903.2498518-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg Kroah-Hartman [ Upstream commit 4667a6fc1777ce071504bab570d3599107f4790f ] This reverts commit a2c6433ee5a35a8de6d563f6512a26f87835ea0f. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original patch was incorrect, and would leak memory if the error path the patch added was hit. Cc: Aditya Pakki Reviewed-by: Takashi Iwai Link: https://lore.kernel.org/r/20210503115736.2104747-37-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- sound/usb/usx2y/usb_stream.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c index 091c071b270a..6bba17bf689a 100644 --- a/sound/usb/usx2y/usb_stream.c +++ b/sound/usb/usx2y/usb_stream.c @@ -91,12 +91,7 @@ static int init_urbs(struct usb_stream_kernel *sk, unsigned use_packsize, for (u = 0; u < USB_STREAM_NURBS; ++u) { sk->inurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL); - if (!sk->inurb[u]) - return -ENOMEM; - sk->outurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL); - if (!sk->outurb[u]) - return -ENOMEM; } if (init_pipe_urbs(sk, use_packsize, sk->inurb, indata, dev, in_pipe) || -- 2.30.2