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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 58997C3A5A3 for ; Tue, 27 Aug 2019 08:14:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 29D62206BA for ; Tue, 27 Aug 2019 08:14:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566893645; bh=I1bu5V9wR2R86fS8v2aay6JuWh4IMqxe9n95F02rO/c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Smrq8NNrUkXW/sNJANCPdHZF4TPP7HGZdVS0HBGuSWRkKg1jP961nIKOIse9hBxZG N+LU08CAbS6RBWeL4/FopoSZ3qRJd8fNEuViZcDVHwK849NDADk4SwTWfA7s6GrhSm 2S/rSBSoK4/BKz44FRtWcR1T6NMcrb9Oq5Mspvs8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730741AbfH0H5E (ORCPT ); Tue, 27 Aug 2019 03:57:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:49132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730717AbfH0H47 (ORCPT ); Tue, 27 Aug 2019 03:56:59 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4ACF020828; Tue, 27 Aug 2019 07:56:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566892618; bh=I1bu5V9wR2R86fS8v2aay6JuWh4IMqxe9n95F02rO/c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XzHXhrkSZ6mVW5knFxpN4YcegLlB19OFXwc9UuUnpaNZhMLRNqp2yyNWD1gNQ94JM Sxwv89iHnRVQzTpbujYdf9AjVJWUU8nKkHIvmVOHuse7L3XwgIHa0E8ESMM3lQLw5G 4qpNuJuDL+ZODtJpuRt12qLt0Nf4I2AjUs2Dy34I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Navid Emamdoost , "David S. Miller" , Sasha Levin Subject: [PATCH 4.19 15/98] st21nfca_connectivity_event_received: null check the allocation Date: Tue, 27 Aug 2019 09:49:54 +0200 Message-Id: <20190827072719.119115283@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190827072718.142728620@linuxfoundation.org> References: <20190827072718.142728620@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ 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 4bed9e842db38..fd967a38a94a5 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -328,6 +328,8 @@ 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