提交 892bd629 编写于 作者: D David S. Miller

Merge tag 'mac80211-for-davem-2015-05-19' of...

Merge tag 'mac80211-for-davem-2015-05-19' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
This has just a single fix, for a WEP tailroom check
problem that leads to dropped frames.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
......@@ -98,8 +98,7 @@ static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local,
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN ||
skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
if (WARN_ON(skb_headroom(skb) < IEEE80211_WEP_IV_LEN))
return NULL;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
......@@ -167,6 +166,9 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local,
size_t len;
u8 rc4key[3 + WLAN_KEY_LEN_WEP104];
if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN))
return -1;
iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx);
if (!iv)
return -1;
......
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