From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753160AbdA2Bqd (ORCPT ); Sat, 28 Jan 2017 20:46:33 -0500 Received: from [160.91.203.10] ([160.91.203.10]:49262 "EHLO smtp1.ccs.ornl.gov" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752811AbdA2Bq1 (ORCPT ); Sat, 28 Jan 2017 20:46:27 -0500 From: James Simmons To: Greg Kroah-Hartman , devel@driverdev.osuosl.org, Andreas Dilger , Oleg Drokin Cc: Linux Kernel Mailing List , Lustre Development List , "John L. Hammond" , James Simmons Subject: [PATCH 47/60] staging: lustre: mdc: avoid returning freed request Date: Sat, 28 Jan 2017 19:05:15 -0500 Message-Id: <1485648328-2141-48-git-send-email-jsimmons@infradead.org> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1485648328-2141-1-git-send-email-jsimmons@infradead.org> References: <1485648328-2141-1-git-send-email-jsimmons@infradead.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "John L. Hammond" In mdc_close() if ptlrpc_request_pack() fails then set req to NULL so that an already freed request is not returned in *request. Signed-off-by: John L. Hammond Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8811 Reviewed-on: https://review.whamcloud.com/23843 Reviewed-by: Patrick Farrell Reviewed-by: Andreas Dilger Signed-off-by: James Simmons --- drivers/staging/lustre/lustre/mdc/mdc_request.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c index 02f57d8..a12035d 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c @@ -762,6 +762,7 @@ static int mdc_close(struct obd_export *exp, struct md_op_data *op_data, rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE); if (rc) { ptlrpc_request_free(req); + req = NULL; goto out; } -- 1.8.3.1