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 8457FC4332F for ; Sun, 2 Oct 2022 22:51:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229681AbiJBWvp (ORCPT ); Sun, 2 Oct 2022 18:51:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229935AbiJBWus (ORCPT ); Sun, 2 Oct 2022 18:50:48 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64E9F1274C; Sun, 2 Oct 2022 15:50:22 -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 ams.source.kernel.org (Postfix) with ESMTPS id A512CB80DAF; Sun, 2 Oct 2022 22:50:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54954C433B5; Sun, 2 Oct 2022 22:50:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664751018; bh=lGWll2ZLCWNFayanlIW957ru5Q6QTijFAVemujlKJ1U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dc3N2lDCwKzfw0jBI3rrHXH1zLDITD5Ph2hOK3Zs27H7Qc5HsSUPnJwbt5to6A3et EX7zxhAlHJUQn20rfeq2dop34uw1qzDjOJFsfzf//o7N2bjfHHzQB1YJ6H3/i3wlzI fS/ocMZvGPkv1gKN2ciMbdN1jQFdYeYOWKb+k1Bl0gnxv443VE7wbLzDyNOPq3OX8N oToRhLGA3YpxSuLtZkLLrqfjclEmD5uK85b+N9vmJgIs8+h7glsOssHLbI/A2wrKSK FCdRj9cErfscqJ0ZX+LLlnOkX3JejVLPTCExgSeb7cnW+ZI/+/NozD/Gz3d5lxMfdy 5HrvaCgn7KucQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jianglei Nie , "David S . Miller" , Sasha Levin , irusskikh@marvell.com, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.19 21/29] net: atlantic: fix potential memory leak in aq_ndev_close() Date: Sun, 2 Oct 2022 18:49:14 -0400 Message-Id: <20221002224922.238837-21-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221002224922.238837-1-sashal@kernel.org> References: <20221002224922.238837-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jianglei Nie [ Upstream commit 65e5d27df61283e5390f04b09dc79cd832f95607 ] If aq_nic_stop() fails, aq_ndev_close() returns err without calling aq_nic_deinit() to release the relevant memory and resource, which will lead to a memory leak. We can fix it by deleting the if condition judgment and goto statement to call aq_nic_deinit() directly after aq_nic_stop() to fix the memory leak. Signed-off-by: Jianglei Nie Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/aquantia/atlantic/aq_main.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c index 88595863d8bc..8a0af371e7dc 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c @@ -94,11 +94,8 @@ static int aq_ndev_close(struct net_device *ndev) int err = 0; err = aq_nic_stop(aq_nic); - if (err < 0) - goto err_exit; aq_nic_deinit(aq_nic, true); -err_exit: return err; } -- 2.35.1