From patchwork Mon May 31 13:15:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 450818 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 DDDB7C47096 for ; Mon, 31 May 2021 15:01:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C534760FF0 for ; Mon, 31 May 2021 15:01:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234427AbhEaPCq (ORCPT ); Mon, 31 May 2021 11:02:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:51050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234146AbhEaPAj (ORCPT ); Mon, 31 May 2021 11:00:39 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 354766144B; Mon, 31 May 2021 14:01:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1622469714; bh=ho8wNsWodGV8XUdzJfKNfzNnuCbo3ugXe/yK1a6pLyU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DQU/NBEsURfmT5TiFnSHfgjTHIF/ELbCR74hHYJgvIKRcgUEply0khqfMxHFRuc4m XLL6CESVl1julKoMUR73qDNmMlfzeG1fCLUayrwBkSMwWjj5AX1o+h9s9egOu7E6rK wsPZTWIy4lFL+LnE4BnJM5D7vtfBKrSmafeF/AMg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Takashi Iwai Subject: [PATCH 5.12 292/296] Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference"" Date: Mon, 31 May 2021 15:15:47 +0200 Message-Id: <20210531130713.528651666@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210531130703.762129381@linuxfoundation.org> References: <20210531130703.762129381@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Greg Kroah-Hartman commit 27b57bb76a897be80494ee11ee4e85326d19383d upstream. This reverts commit 4667a6fc1777ce071504bab570d3599107f4790f. Takashi writes: I have already started working on the bigger cleanup of this driver code based on 5.13-rc1, so could you drop this revert? I missed our previous discussion about this, my fault for applying it. Reported-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/usx2y/usb_stream.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/sound/usb/usx2y/usb_stream.c +++ b/sound/usb/usx2y/usb_stream.c @@ -91,7 +91,12 @@ static int init_urbs(struct usb_stream_k 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) ||