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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 D5EA3C48BD6 for ; Thu, 27 Jun 2019 00:42:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD47621871 for ; Thu, 27 Jun 2019 00:42:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561596159; bh=oW5pAeo++OS2RF8UDf8aG6MvZdYNZ5YXKrBU8Px9OA8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eYOCm+NF54Qez8pdGFG3yoJI+NeNKfTzde5EJjnkHYrdBwbEv6LX9CqAHGOoU/gOV VVeLXpL49cUVRUEuopMjO7+GYZpcTId685e4hlc0MNgdNO3gvINJalig46TsFI46cx smje1O4gJzTZwu8Tnh0bAytS4bIu7TEjqJf9dtb8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729754AbfF0Ami (ORCPT ); Wed, 26 Jun 2019 20:42:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:46428 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729745AbfF0Amf (ORCPT ); Wed, 26 Jun 2019 20:42:35 -0400 Received: from sasha-vm.mshome.net (unknown [107.242.116.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3CF92205ED; Thu, 27 Jun 2019 00:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561596154; bh=oW5pAeo++OS2RF8UDf8aG6MvZdYNZ5YXKrBU8Px9OA8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k/hpDhWult9cVPPHTzNkZJRnYmokeQBeP8slJGsUkRIOdIFm7iI++CgYRmKdFj31t 5+ToFciD/R+uemA5kcR2XhQcXAR44ggiky2PW0JhQb5+XoSo4WDgNnDR0C+efes4DI N+eBDXTDKv9QXQZko8GSwXAR73Y3J5BDs/idc6O4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lin Yi , Anna Schumaker , Sasha Levin , linux-nfs@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 21/21] net :sunrpc :clnt :Fix xps refcount imbalance on the error path Date: Wed, 26 Jun 2019 20:41:21 -0400 Message-Id: <20190627004122.21671-21-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190627004122.21671-1-sashal@kernel.org> References: <20190627004122.21671-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Lin Yi [ Upstream commit b96226148491505318228ac52624956bd98f9e0c ] rpc_clnt_add_xprt take a reference to struct rpc_xprt_switch, but forget to release it before return, may lead to a memory leak. Signed-off-by: Lin Yi Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- net/sunrpc/clnt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 244eac1bd648..de18a463ac96 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2718,6 +2718,7 @@ int rpc_clnt_add_xprt(struct rpc_clnt *clnt, xprt = xprt_iter_xprt(&clnt->cl_xpi); if (xps == NULL || xprt == NULL) { rcu_read_unlock(); + xprt_switch_put(xps); return -EAGAIN; } resvport = xprt->resvport; -- 2.20.1