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net80211: ieee80211_dump_node() check for channel to be set

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Avoid panics in case ieee80211_dump_node() gets called before a
channel context is set.

Sponsored by:	The FreeBSD Foundation

(cherry picked from commit c93be3079be5f07fe3596ec389826e45f5dc82bd)
This commit is contained in:
Bjoern A. Zeeb 2023-11-30 18:20:22 +00:00
parent bc3ab3badd
commit 826c28fa98
1 changed files with 2 additions and 1 deletions
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3
sys/net80211/ieee80211_node.c
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@ -2647,7 +2647,8 @@ ieee80211_dump_node(struct ieee80211_node_table *nt __unused,
printf("\tbssid %s essid \"%.*s\" channel %u:0x%x\n",
ether_sprintf(ni->ni_bssid),
ni->ni_esslen, ni->ni_essid,
ni->ni_chan->ic_freq, ni->ni_chan->ic_flags);
(ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_freq : 0,
(ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_flags : 0);
printf("\tinact %u inact_reload %u txrate %u\n",
ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n",