diff options
| author | Larry Finger <Larry.Finger@lwfinger.net> | 2012-01-07 20:46:40 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-02 10:31:42 -0700 |
| commit | b41c92b278bca642b12be17e4e01359dfd84dec5 (patch) | |
| tree | 0e8bddb7cd8bb660f2ec28d417e990124dbf1ea3 /drivers/net/wireless/rtlwifi/pci.c | |
| parent | 9702690fb8cbb98b3a590d15a6d7111f0e822fde (diff) | |
rtlwifi: rtl8192c_common: rtl8192de: Check for allocation failures
commit 76a92be537f1c8c259e393632301446257ca3ea9 upstream.
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 <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 9245d882c06a..9ec2c46297e1 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -657,6 +657,8 @@ 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); |