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 ABF63C433FF for ; Wed, 14 Aug 2019 02:38:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 81D8121721 for ; Wed, 14 Aug 2019 02:38:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565750299; bh=FI8bcXi9qUd0+dW7z3SAZPdzSJ0ljpA0yLshoH8UWVM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bQBXU5N4JEibShPl5/C4fy5ea3nErZafOwBXSbkPOc5u54mCGEbj0N2gLjpnEv4OQ 3skeqD3Kyz+BouTjoaxSNmKqSH41Rj+eHW0jj9SKg2ig5IsGP2Ojh9VqYaNp9b3JZT 8Nwanacri/kAneuQNhMAxT6tUmdpULz7tVWaiiZM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728384AbfHNCiQ (ORCPT ); Tue, 13 Aug 2019 22:38:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:44582 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727157AbfHNCM3 (ORCPT ); Tue, 13 Aug 2019 22:12:29 -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 8C9D020842; Wed, 14 Aug 2019 02:12:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565748749; bh=FI8bcXi9qUd0+dW7z3SAZPdzSJ0ljpA0yLshoH8UWVM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HPR503rqiTc08S4uEOU3ZLQxgTKaYDiEvxag4cIxEF3CvcmI945LvVgszqBgpEYaE MnfuLrbwR+E2pCVH0IjskR/OcP139S8VVihHNYJnUxWCtzXWjC10hS6ySx1js2gi0i T1HXnpyYPo1B8tUJvLi3exTpWMlAy3ay1zUG6Bm8= 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 5.2 044/123] st_nci_hci_connectivity_event_received: null check the allocation Date: Tue, 13 Aug 2019 22:09:28 -0400 Message-Id: <20190814021047.14828-44-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190814021047.14828-1-sashal@kernel.org> References: <20190814021047.14828-1-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 3008e06fdf0973770370f97d5f1fba3701d8281d ] 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/st-nci/se.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index c3e10b6ab3a4d..f25f1ec5f9e97 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -333,6 +333,8 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, 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], transaction->aid_len); -- 2.20.1