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 1DE7EC32750 for ; Wed, 14 Aug 2019 02:38:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E931C2084F for ; Wed, 14 Aug 2019 02:38:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565750308; bh=tLtnGx3AizxDdq/bW1EN2WBQhLkn9gFqy/eAI25LfRY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kugNMm9gqfPjdPebuSVb0SbKo0S0hsB4JQmnCvhmIvqhUEhLI/g+zOsxB49KUtp06 o3U3ANjCaLc/nIBVbG9Ho8vaydpXczuF4B0EJqZcobuh+ZtBYC/6TCAPH8M8zy6h+x TXfbgYmx/J/kvaI2UdylulXTBtaqIvQi+36hHDHI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728763AbfHNCiZ (ORCPT ); Tue, 13 Aug 2019 22:38:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:44558 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727850AbfHNCM1 (ORCPT ); Tue, 13 Aug 2019 22:12:27 -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 31E212085A; Wed, 14 Aug 2019 02:12:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565748746; bh=tLtnGx3AizxDdq/bW1EN2WBQhLkn9gFqy/eAI25LfRY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=do0wv6dvdtv1ktg62gValkzJJtFdxGNfxw7Og1bVFRcNRAiEFWcyuIG1yUMNIurqm ZLqJdGTCV0DWgUeu/EnM/6lBppBrFCzATPSg3QHxPwnELNWaNLFjSnDB8aXfo3oPTe KGvG1UDRwdnvChBdAsW6YbASI1ML/4kPWEvHyaJA= 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 5.2 043/123] st21nfca_connectivity_event_received: null check the allocation Date: Tue, 13 Aug 2019 22:09:27 -0400 Message-Id: <20190814021047.14828-43-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 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 06fc542fd1987..6586378cacb05 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -317,6 +317,8 @@ 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