diff options
Diffstat (limited to 'net/mac80211/wep.c')
-rw-r--r-- | net/mac80211/wep.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 1e7f03dd8f6b..c9fd1291b19d 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c | |||
@@ -93,13 +93,9 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local, | |||
93 | fc |= IEEE80211_FCTL_PROTECTED; | 93 | fc |= IEEE80211_FCTL_PROTECTED; |
94 | hdr->frame_control = cpu_to_le16(fc); | 94 | hdr->frame_control = cpu_to_le16(fc); |
95 | 95 | ||
96 | if ((skb_headroom(skb) < WEP_IV_LEN || | 96 | if (WARN_ON(skb_tailroom(skb) < WEP_ICV_LEN || |
97 | skb_tailroom(skb) < WEP_ICV_LEN)) { | 97 | skb_headroom(skb) < WEP_IV_LEN)) |
98 | I802_DEBUG_INC(local->tx_expand_skb_head); | 98 | return NULL; |
99 | if (unlikely(pskb_expand_head(skb, WEP_IV_LEN, WEP_ICV_LEN, | ||
100 | GFP_ATOMIC))) | ||
101 | return NULL; | ||
102 | } | ||
103 | 99 | ||
104 | hdrlen = ieee80211_get_hdrlen(fc); | 100 | hdrlen = ieee80211_get_hdrlen(fc); |
105 | newhdr = skb_push(skb, WEP_IV_LEN); | 101 | newhdr = skb_push(skb, WEP_IV_LEN); |