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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 B317EC433FF for ; Wed, 14 Aug 2019 02:28:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F0B62085A for ; Wed, 14 Aug 2019 02:28:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565749706; bh=odyyBf1dcWt2aZKz2xOzM8oQC9QXlBKynRcu4KRY/u8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=T8OYvGXHxShCxHOEvxYcsMzd8DK4GmIeffQQg98Bgfq+t5nsXJnsAAeQ0PH7zKdpx Hr0F//j/5VKDOY/r134BCu0wgeL7jGNOpGybGQDtuf7rGpOZmd5qyQpHojf+7ntbYs KyK5hk1/3F278NfR5C3dXiKoU1advn/vSBhtukNQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730164AbfHNC0D (ORCPT ); Tue, 13 Aug 2019 22:26:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:54160 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730097AbfHNC0C (ORCPT ); Tue, 13 Aug 2019 22:26:02 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 246D820842; Wed, 14 Aug 2019 02:26:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565749561; bh=odyyBf1dcWt2aZKz2xOzM8oQC9QXlBKynRcu4KRY/u8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iz7DKMWurab3WFx8KJDGpxnaiBHO7kesSahD31ioH/h0ThZR3QSjqCc8ddZBFvKcl 3b2+RFKfe4AEnoqX6wXeOmKt+12kvkV+GdQTPkdFK/h/mf2Bwmfgr5i22zBWcZ+swp ji1S6hL1ydMr9nz3kZP5mzX8mh/tK3QQw5Olpnfs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Navid Emamdoost , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 07/28] st21nfca_connectivity_event_received: null check the allocation Date: Tue, 13 Aug 2019 22:25:29 -0400 Message-Id: <20190814022550.17463-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190814022550.17463-1-sashal@kernel.org> References: <20190814022550.17463-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Navid Emamdoost [ Upstream commit 9891d06836e67324c9e9c4675ed90fc8b8110034 ] devm_kzalloc may fail and return null. So the null check is needed. Signed-off-by: Navid Emamdoost Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/nfc/st21nfca/se.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c index c79d99b24c961..f1b96b5255e08 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -327,6 +327,8 @@ int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host, transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev, skb->len - 2, GFP_KERNEL); + if (!transaction) + return -ENOMEM; transaction->aid_len = skb->data[1]; memcpy(transaction->aid, &skb->data[2], -- 2.20.1