From 5ad6094bd9d451a6e2f417cb10fa8fea2cabdc13 Mon Sep 17 00:00:00 2001 From: Peter Wu Date: Mon, 7 Dec 2015 01:07:31 +0100 Subject: [PATCH] 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 ACKed-by: Larry Finger Signed-off-by: Kalle Valo [bwh: Backported to 3.2: adjust filename, context] Signed-off-by: Ben Hutchings --- 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 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); } } -- 2.39.2