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 14DC7C47089 for ; Mon, 24 May 2021 14:47:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7A2C61406 for ; Mon, 24 May 2021 14:47:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233321AbhEXOtJ (ORCPT ); Mon, 24 May 2021 10:49:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:54182 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233215AbhEXOsQ (ORCPT ); Mon, 24 May 2021 10:48:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8F396613D2; Mon, 24 May 2021 14:46:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621867604; bh=YMUIRBqPsKnP1v3cJ/Dw9pNi02k97cYZ5bin7a9UhRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZImiOv+tFeIadWBbbxQwzqi+GbXJTIS+nHzhXZIxVfWS6XJ7AJgo35EG1g/3cT0As xUnvqL4fevuJFZYa7SZRi9Q0jHhWAZ5DfP1xDCOVY/NmO4HAKbs+jpNNIhh9rwPsnp DbZrq6co2d0GmD4TbjteK74goXnpjPi5G3Y8B3zeeJlOAF7btAy+c+PdVOgXIllSUR aD5qtz9JA4w7bE5Y7wzM/kNJyddEdElzeuZfpyaL6R4WC7iVBbAINDz/15rR4kDx// +/WcfiofpwZ+5MShSke2KhOPP9U/D6u1tkQBRd/b1a9BM4cpppIERYjgfAUMWyi4X6 Oo0GH9+XUzGLg== 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 5.12 18/63] Revert "ALSA: usx2y: Fix potential NULL pointer dereference" Date: Mon, 24 May 2021 10:45:35 -0400 Message-Id: <20210524144620.2497249-18-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210524144620.2497249-1-sashal@kernel.org> References: <20210524144620.2497249-1-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