[PATCH 3.2 11/87] rtlwifi: fix memory leak for USB device

[Ben Hutchings]

3.2.77-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Wu <peter@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
ACKed-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 drivers/net/wireless/realtek/rtlwifi/usb.c | 2 ++
 1 file changed, 2 insertions(+)

--- 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(st
 		} else {
 			dev_kfree_skb_any(skb);
 		}
+	} else {
+		dev_kfree_skb_any(skb);
 	}
 }