From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162050AbcA0V6Q (ORCPT ); Wed, 27 Jan 2016 16:58:16 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:42539 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754840AbcA0UgW (ORCPT ); Wed, 27 Jan 2016 15:36:22 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Peter Wu , Kalle Valo , Kamal Mostafa Subject: [PATCH 4.2.y-ckt 022/268] rtlwifi: fix memory leak for USB device Date: Wed, 27 Jan 2016 12:31:23 -0800 Message-Id: <1453926929-17663-23-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453926929-17663-1-git-send-email-kamal@canonical.com> References: <1453926929-17663-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 4.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.2.8-ckt3 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Peter Wu commit 17bc55864f81dd730d05f09b1641312a7990d636 upstream. Free skb for received frames with a wrong checksum. This can happen pretty rapidly, exhausting all memory. This fixes a memleak (detected with kmemleak). Originally found while using monitor mode, but it also appears during managed mode (once the link is up). Signed-off-by: Peter Wu ACKed-by: Larry Finger Signed-off-by: Kalle Valo Signed-off-by: Kamal Mostafa --- drivers/net/wireless/rtlwifi/usb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 2721cf8..aac1ed3 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -531,6 +531,8 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw, ieee80211_rx(hw, skb); else dev_kfree_skb_any(skb); + } else { + dev_kfree_skb_any(skb); } } -- 1.9.1