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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 C65E9C433E0 for ; Tue, 9 Jun 2020 18:05:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A288C20691 for ; Tue, 9 Jun 2020 18:05:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591725926; bh=YUQ3zE6gHknWLZQ8cWA+ZL/A4ox6L2Wm10Hf9XSjg5U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HLvSEF7ftZCen+4Dh2O6qWkPIULlC1DNTVy/bUUFg5bS9NjPf8+hJNhcdoWVe8HLL CMxTT8tMABkIOja9FAdtlYGS1QPbTOUZTuTscGVMro+g7uG/t8JSOFyFl0Svm/RNCP +Gi3rayuevzFHwTj4CW2DDDtfr8oKRZCjsKuJdpY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388071AbgFISFY (ORCPT ); Tue, 9 Jun 2020 14:05:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:41270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732714AbgFIRvp (ORCPT ); Tue, 9 Jun 2020 13:51:45 -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 3702C20774; Tue, 9 Jun 2020 17:51:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591725104; bh=YUQ3zE6gHknWLZQ8cWA+ZL/A4ox6L2Wm10Hf9XSjg5U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zuG3f/WgEjhhwoSvFLWEFenvf3xEE4H9UfUOJdxihMb6CULYzHGSyJpZfCOgvQb5C B2RHn60sXC3gkMbupcbDBp7ZdVndEy4BQg1hZXGu6eaHKJvO20tcU76QwszO0n4OBN BkdkmZI010O08pfryRlsn+chthxDlST9QU+hVoLM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chuhong Yuan , "David S. Miller" Subject: [PATCH 4.19 05/25] NFC: st21nfca: add missed kfree_skb() in an error path Date: Tue, 9 Jun 2020 19:44:55 +0200 Message-Id: <20200609174049.232877910@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200609174048.576094775@linuxfoundation.org> References: <20200609174048.576094775@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 From: Chuhong Yuan [ Upstream commit 3decabdc714ca56c944f4669b4cdec5c2c1cea23 ] st21nfca_tm_send_atr_res() misses to call kfree_skb() in an error path. Add the missed function call to fix it. Fixes: 1892bf844ea0 ("NFC: st21nfca: Adding P2P support to st21nfca in Initiator & Target mode") Signed-off-by: Chuhong Yuan Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/nfc/st21nfca/dep.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/nfc/st21nfca/dep.c +++ b/drivers/nfc/st21nfca/dep.c @@ -184,8 +184,10 @@ static int st21nfca_tm_send_atr_res(stru memcpy(atr_res->gbi, atr_req->gbi, gb_len); r = nfc_set_remote_general_bytes(hdev->ndev, atr_res->gbi, gb_len); - if (r < 0) + if (r < 0) { + kfree_skb(skb); return r; + } } info->dep_info.curr_nfc_dep_pni = 0;