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 BDB1EC433FE for ; Tue, 5 Apr 2022 09:53:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239146AbiDEJwz (ORCPT ); Tue, 5 Apr 2022 05:52:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243720AbiDEJJN (ORCPT ); Tue, 5 Apr 2022 05:09:13 -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 0C853C9B4E; Tue, 5 Apr 2022 01:58:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 54B16615E3; Tue, 5 Apr 2022 08:58:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D1B5C385A8; Tue, 5 Apr 2022 08:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649149108; bh=u8PxMLCYo4rYp2EXONipyGluuU3I5q0QkRQTH2Ha+LM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B2jBlvnkG/OBhNQz3/mJXYIhDymcMlvhzRkGyL8Y4arWmSvkId2hZ4Nn03XJFcyOY tJiRZVoxu2QFMSkkf/20spx4AlfLH695XVls6a+MpbFCYie1E+2z5XvoEaHmJM0HJv YjFsoHw+bMU09yd2TqG54MegxGFktjM7iCTKOfDc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miaoqian Lin , Jeff Johnson , Kalle Valo , Sasha Levin Subject: [PATCH 5.16 0590/1017] ath10k: Fix error handling in ath10k_setup_msa_resources Date: Tue, 5 Apr 2022 09:25:03 +0200 Message-Id: <20220405070411.792477692@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070354.155796697@linuxfoundation.org> References: <20220405070354.155796697@linuxfoundation.org> User-Agent: quilt/0.66 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: Miaoqian Lin [ Upstream commit 9747a78d5f758a5284751a10aee13c30d02bd5f1 ] The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. This function only calls of_node_put() in the regular path. And it will cause refcount leak in error path. Fixes: 727fec790ead ("ath10k: Setup the msa resources before qmi init") Signed-off-by: Miaoqian Lin Reviewed-by: Jeff Johnson Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220308070238.19295-1-linmq006@gmail.com Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath10k/snoc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index 9513ab696fff..f79dd9a71690 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -1556,11 +1556,11 @@ static int ath10k_setup_msa_resources(struct ath10k *ar, u32 msa_size) node = of_parse_phandle(dev->of_node, "memory-region", 0); if (node) { ret = of_address_to_resource(node, 0, &r); + of_node_put(node); if (ret) { dev_err(dev, "failed to resolve msa fixed region\n"); return ret; } - of_node_put(node); ar->msa.paddr = r.start; ar->msa.mem_size = resource_size(&r); -- 2.34.1