Commit 15e230ab authored by Fred Zhou's avatar Fred Zhou Committed by Johannes Berg

mac80211: use exact-size allocation for authentication frame

The authentication frame has a fixied size of 30 bytes
(including header, algo num, trans seq num, and status)
followed by a variable challenge text.
Allocate using exact size, instead of over-allocation
by sizeof(ieee80211_mgmt).
Signed-off-by: default avatarFred Zhou <fred.zy@gmail.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent f0823475
......@@ -1081,8 +1081,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt;
int err;
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
sizeof(*mgmt) + 6 + extra_len);
/* 24 + 6 = header + auth_algo + auth_transaction + status_code */
skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 6 + extra_len);
if (!skb)
return;
......
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