From 76a92be537f1c8c259e393632301446257ca3ea9 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Sat, 7 Jan 2012 20:46:40 -0600 Subject: rtlwifi: rtl8192c_common: rtl8192de: Check for allocation failures In https://bugzilla.redhat.com/show_bug.cgi?id=771656, a kernel bug was triggered due to a failed skb allocation that was not checked. This event lead to an audit of all memory allocations in the complete rtlwifi family of drivers. This patch fixes the rest. Signed-off-by: Larry Finger Cc: Stable Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/pci.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/rtlwifi/pci.c') diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 3c4ae5d9de4..8758b3db072 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -652,6 +652,8 @@ static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb, return; uskb = dev_alloc_skb(skb->len + 128); + if (!uskb) + return; /* exit if allocation failed */ memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status)); pdata = (u8 *)skb_put(uskb, skb->len); memcpy(pdata, skb->data, skb->len); -- cgit v1.2.3-70-g09d2