From patchwork Tue Jan 19 12:33:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pan Bian X-Patchwork-Id: 366576 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 C82FCC43142 for ; Tue, 19 Jan 2021 18:28:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7B0322E00 for ; Tue, 19 Jan 2021 18:28:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390331AbhASQyK (ORCPT ); Tue, 19 Jan 2021 11:54:10 -0500 Received: from m12-15.163.com ([220.181.12.15]:57949 "EHLO m12-15.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389631AbhASQx4 (ORCPT ); Tue, 19 Jan 2021 11:53:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=0U+pRaymnbrvdWHk/1 qG3LeFSFiwut3uSGl7JwDYbSk=; b=jUowwnWQtrrXZDWheB3aV/2xyj4pLVhArt vh7u+ywDzl5GbizMOMjxDe9LvPtRGqshlOvEaQIbzqOLALSAyFRVBDPNap59uL+/ pOx+OMZdvhJ/lb26B7iPcDLBUnksUCEJJXR7fkGDbefAA5vW0g0xBgzIIxQZiY0R d9sIBJYoY= Received: from localhost.localdomain (unknown [119.3.119.20]) by smtp11 (Coremail) with SMTP id D8CowADHzH2J0QZg3sXTAA--.28998S4; Tue, 19 Jan 2021 20:33:17 +0800 (CST) From: Pan Bian To: FUJITA Tomonori , Jens Axboe , "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Pan Bian Subject: [PATCH 1/1] bsg: free the request before return error code Date: Tue, 19 Jan 2021 04:33:11 -0800 Message-Id: <20210119123311.108137-1-bianpan2016@163.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: D8CowADHzH2J0QZg3sXTAA--.28998S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrZFWDCFW5Gr1UJFWrAryDAwb_yoWxtFb_GF yUKFs7JrZ5Cr45ursFva45t3WIkF1UGF4Iyw18tF9Fq345JasrJw1Ivwn8XF9xWFWUW3sx G3WxX34fAFnayjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU57CztUUUUU== X-Originating-IP: [119.3.119.20] X-CM-SenderInfo: held01tdqsiiqw6rljoofrz/xtbBZA0fclQHMCpPDgAAsM Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Free the request rq before returning error code. Fixes: 972248e9111e ("scsi: bsg-lib: handle bidi requests without block layer help") Signed-off-by: Pan Bian Reviewed-by: Christoph Hellwig --- block/bsg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/block/bsg.c b/block/bsg.c index d7bae94b64d9..3d78e843a83f 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -157,8 +157,10 @@ static int bsg_sg_io(struct request_queue *q, fmode_t mode, void __user *uarg) return PTR_ERR(rq); ret = q->bsg_dev.ops->fill_hdr(rq, &hdr, mode); - if (ret) + if (ret) { + blk_put_request(rq); return ret; + } rq->timeout = msecs_to_jiffies(hdr.timeout); if (!rq->timeout)