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Make sta NULL-check easier for static analyzers 

sta == NULL check is already done above based on category !=
WLAN_ACTION_PUBLIC, but that seems to be too complex for some static
analyzers, so avoid invalid reports by explicitly checking for this
again in the WLAN_ACTION_FT case.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-04-26 11:51:19 +03:00
parent 0bceb8d6f4
commit d6c6b1fb9d
1 changed files with 2 additions and 1 deletions
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3
src/ap/ieee802_11.c
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@ -1626,7 +1626,8 @@ static int handle_action(struct hostapd_data *hapd,
switch (mgmt->u.action.category) {
#ifdef CONFIG_IEEE80211R
case WLAN_ACTION_FT:
if (wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action,
if (!sta ||
wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action,
len - IEEE80211_HDRLEN))
break;
return 1;