Patch "rtlwifi: fix memory leak for USB device" has been added to the 4.4-stable tree

Patch "rtlwifi: fix memory leak for USB device" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    rtlwifi: fix memory leak for USB device

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rtlwifi-fix-memory-leak-for-usb-device.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 17bc55864f81dd730d05f09b1641312a7990d636 Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Mon, 7 Dec 2015 01:07:31 +0100
Subject: rtlwifi: fix memory leak for USB device

From: Peter Wu <peter@lekensteyn.nl>

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/realtek/rtlwifi/usb.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -531,6 +531,8 @@ static void _rtl_usb_rx_process_noagg(st
 			ieee80211_rx(hw, skb);
 		else
 			dev_kfree_skb_any(skb);
+	} else {
+		dev_kfree_skb_any(skb);
 	}
 }
 


Patches currently in stable-queue which might be from peter@lekensteyn.nl are

queue-4.4/rtlwifi-fix-memory-leak-for-usb-device.patch