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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DF12C433FE for ; Mon, 21 Nov 2022 07:39:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229812AbiKUHjk (ORCPT ); Mon, 21 Nov 2022 02:39:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbiKUHji (ORCPT ); Mon, 21 Nov 2022 02:39:38 -0500 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 754582D1DE; Sun, 20 Nov 2022 23:39:37 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.153]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4NFzmg6YCHz4f3jZb; Mon, 21 Nov 2022 15:39:31 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.127.227]) by APP4 (Coremail) with SMTP id gCh0CgC329g0K3tj2M2XAw--.53628S6; Mon, 21 Nov 2022 15:39:34 +0800 (CST) From: Ye Bin To: ericvh@gmail.com, lucho@ionkov.net, asmadeus@codewreck.org, linux_oss@crudebyte.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, v9fs-developer@lists.sourceforge.net, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, yebin10@huawei.com Subject: [PATCH 2/5] 9p: fix miss release semaphore in 'rdma_request()' Date: Mon, 21 Nov 2022 16:00:46 +0800 Message-Id: <20221121080049.3850133-3-yebin@huaweicloud.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221121080049.3850133-1-yebin@huaweicloud.com> References: <20221121080049.3850133-1-yebin@huaweicloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: gCh0CgC329g0K3tj2M2XAw--.53628S6 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw45Wr4kCw45JF43tF1fWFg_yoW3XwbE9F 4fGan3Xas7Jry7KFWjka1Fvr1kCFWxWr1xurn0ya4jkwn8Xr97Gw1jgr98Ar47CF4DCrW8 Jwn8X3yfWFy3ZjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbfxYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r15M2 8IrcIa0xkI8VCY1x0267AKxVW5JVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK 021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r 4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx 0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWU JVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCF04k20xvY0x0EwI xGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480 Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7 IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k2 6cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxV AFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07UC9aPUUUUU= X-CM-SenderInfo: p1hex046kxt4xhlfz01xgou0bp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ye Bin If send request failed will not call 'send_done()', but already get '(&rdma->sq_sem'. So add release '(&rdma->sq_sem' after send request failed. Signed-off-by: Ye Bin --- net/9p/trans_rdma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index e498208ed72b..ae2bac9bf510 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -509,8 +509,10 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req) */ req->status = REQ_STATUS_SENT; err = ib_post_send(rdma->qp, &wr, NULL); - if (err) + if (err) { + up(&rdma->sq_sem); goto mapping_error; + } /* Success */ return 0; -- 2.31.1