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bump the scan generation number before iterating so we're guaranteed

Browse source 
to have a value that's not been used before; this fixes the problem
where the first traversal of the scan list did nothing because the
entries were initialized with the current generation number (a
separate issue)

MFC after:	1 week
This commit is contained in:
Sam Leffler 2006-01-18 19:56:17 +00:00
parent 347daa0f17
commit a1a5050276
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=154532
1 changed files with 2 additions and 2 deletions
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4
sys/net80211/ieee80211_node.c
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@ -1784,7 +1784,7 @@ ieee80211_timeout_stations(struct ieee80211_node_table *nt)
isadhoc = (ic->ic_opmode == IEEE80211_M_IBSS ||
ic->ic_opmode == IEEE80211_M_AHDEMO);
IEEE80211_SCAN_LOCK(nt);
gen = nt->nt_scangen++;
gen = ++nt->nt_scangen;
IEEE80211_DPRINTF(ic, IEEE80211_MSG_NODE,
"%s: %s scangen %u\n", __func__, nt->nt_name, gen);
restart:
@ -1928,7 +1928,7 @@ ieee80211_iterate_nodes(struct ieee80211_node_table *nt, ieee80211_iter_func *f,
u_int gen;
IEEE80211_SCAN_LOCK(nt);
gen = nt->nt_scangen++;
gen = ++nt->nt_scangen;
restart:
IEEE80211_NODE_LOCK(nt);
TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {