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 E49D8EB64D9 for ; Mon, 19 Jun 2023 10:36:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229632AbjFSKgx (ORCPT ); Mon, 19 Jun 2023 06:36:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231818AbjFSKgf (ORCPT ); Mon, 19 Jun 2023 06:36:35 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E431E77 for ; Mon, 19 Jun 2023 03:36:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1640360B58 for ; Mon, 19 Jun 2023 10:36:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D528C433CA; Mon, 19 Jun 2023 10:36:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687170988; bh=btHY0qjNkqimHtKI1YMt2kc/+llHmXaN1CoD539hs2o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GWoi4FK2/o/nUWYgX3/lO/mZvwU7L0H2as/tJXwi3RfFyl2Pv0J/DgymJzSpQVhsc W+3Bqsu8qUiE35DVPHTAkHm4ZnF5Yr+R9zLsq/5c+TCEcKbZax5vEU9eOowcjn1e5q NceBOq3QkKWxpWgZLM69XJpTUv1QoBXMjpnV1yHo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Li Zhijian , Guoqing Jiang , Jack Wang , Jason Gunthorpe , Sasha Levin Subject: [PATCH 6.3 108/187] RDMA/rtrs: Fix the last iu->buf leak in err path Date: Mon, 19 Jun 2023 12:28:46 +0200 Message-ID: <20230619102202.796427230@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102157.579823843@linuxfoundation.org> References: <20230619102157.579823843@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Li Zhijian [ Upstream commit 3bf3a7c6985c625f64e73baefdaa36f1c2045a29 ] The last iu->buf will leak if ib_dma_mapping_error() fails. Fixes: c0894b3ea69d ("RDMA/rtrs: core: lib functions shared between client and server modules") Link: https://lore.kernel.org/r/1682384563-2-3-git-send-email-lizhijian@fujitsu.com Signed-off-by: Li Zhijian Acked-by: Guoqing Jiang Acked-by: Jack Wang Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/ulp/rtrs/rtrs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index 4bf9d868cc522..3696f367ff515 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -37,8 +37,10 @@ struct rtrs_iu *rtrs_iu_alloc(u32 iu_num, size_t size, gfp_t gfp_mask, goto err; iu->dma_addr = ib_dma_map_single(dma_dev, iu->buf, size, dir); - if (ib_dma_mapping_error(dma_dev, iu->dma_addr)) + if (ib_dma_mapping_error(dma_dev, iu->dma_addr)) { + kfree(iu->buf); goto err; + } iu->cqe.done = done; iu->size = size; -- 2.39.2