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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D1969C433E7 for ; Sun, 18 Oct 2020 19:27:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91DE8207DE for ; Sun, 18 Oct 2020 19:27:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603049262; bh=2uPyItsYv7sh2HwsuonUm6p+JI2jQxPJkHUuWR9M74I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rWxpofdcWC7wQ1cT1CdioMu1WBAP7A1Um1EZV1iLcD7tEQIfR9wvQ1SmC70Xy2o/u oIlV0IcQZ3jNheUTAwCj4kTlVMZKQNgy2BbbTBKYH7i9L1UNlDwyzY58Ptj/KB9uLb Al2TiC0rVkswStro9TcfhiuZbcod0TAXkoE3g7DQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732157AbgJRT1k (ORCPT ); Sun, 18 Oct 2020 15:27:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:42960 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727882AbgJRT1Q (ORCPT ); Sun, 18 Oct 2020 15:27:16 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 281F5207DE; Sun, 18 Oct 2020 19:27:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603049236; bh=2uPyItsYv7sh2HwsuonUm6p+JI2jQxPJkHUuWR9M74I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Shk2U7gt5zcim6+/KyUYIlEwvklcrfOcS65OOdd7G8MT/22z1HuXDSGevQTaBKnSV o/AO1Wmm1sQRnYjWuatca7K9MUGjxwQXwMKP96VshAMHXOR3PjgIP3iAUNHnjTfghc e1CclH974BVOZEax599zP9aoQ2z0kmy+pUXe3K6U= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Keita Suzuki , Kalle Valo , Sasha Levin , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 33/41] brcmsmac: fix memory leak in wlc_phy_attach_lcnphy Date: Sun, 18 Oct 2020 15:26:27 -0400 Message-Id: <20201018192635.4056198-33-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201018192635.4056198-1-sashal@kernel.org> References: <20201018192635.4056198-1-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: linux-kernel@vger.kernel.org From: Keita Suzuki [ Upstream commit f4443293d741d1776b86ed1dd8c4e4285d0775fc ] When wlc_phy_txpwr_srom_read_lcnphy fails in wlc_phy_attach_lcnphy, the allocated pi->u.pi_lcnphy is leaked, since struct brcms_phy will be freed in the caller function. Fix this by calling wlc_phy_detach_lcnphy in the error handler of wlc_phy_txpwr_srom_read_lcnphy before returning. Signed-off-by: Keita Suzuki Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20200908121743.23108-1-keitasuzuki.park@sslab.ics.keio.ac.jp Signed-off-by: Sasha Levin --- .../net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c index 93d4cde0eb313..c9f48ec46f4a1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c @@ -5090,8 +5090,10 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi) pi->pi_fptr.radioloftget = wlc_lcnphy_get_radio_loft; pi->pi_fptr.detach = wlc_phy_detach_lcnphy; - if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) + if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) { + kfree(pi->u.pi_lcnphy); return false; + } if (LCNREV_IS(pi->pubpi.phy_rev, 1)) { if (pi_lcn->lcnphy_tempsense_option == 3) { -- 2.25.1