From: Peter Wu <peter@lekensteyn.nl>
Date: Mon, 7 Dec 2015 00:07:31 +0000 (+0100)
Subject: rtlwifi: fix memory leak for USB device
X-Git-Tag: v3.2.77~77
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=5ad6094bd9d451a6e2f417cb10fa8fea2cabdc13

rtlwifi: fix memory leak for USB device

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 <peter@lekensteyn.nl>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 17e642978f8d..968137a0eca7 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -500,6 +500,8 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw,
 		} else {
 			dev_kfree_skb_any(skb);
 		}
+	} else {
+		dev_kfree_skb_any(skb);
 	}
 }