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[net80211] fix NULL pointer dereference in VHT operation in hostap mode.

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The vht IEs are NULL at this point, so we shouldn't upgrade a node to VHT.
I'll fix the upgrade after this!

Tested:

* ath10k, hostap mode
This commit is contained in:
Adrian Chadd 2017-02-20 03:45:41 +00:00
parent 4d24901ac9
commit 2023566223
1 changed files with 3 additions and 1 deletions

4
sys/net80211/ieee80211_hostap.c

@ -2151,7 +2151,9 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0,
ni->ni_chan = vap->iv_bss->ni_chan;
/* VHT */
if (IEEE80211_IS_CHAN_VHT(ni->ni_chan)) {
if (IEEE80211_IS_CHAN_VHT(ni->ni_chan) &&
htcap != NULL &&
vhtinfo != NULL) {
/* XXX TODO; see below */
printf("%s: VHT TODO!\n", __func__);
ieee80211_vht_node_init(ni);