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| author | sam <sam@FreeBSD.org> | 2007-09-18 21:01:04 +0000 |
|---|---|---|
| committer | sam <sam@FreeBSD.org> | 2007-09-18 21:01:04 +0000 |
| commit | 27063b31a058816072e06f74387e19f4f8ed3ef0 (patch) | |
| tree | 772febb013edd9b888401e13675bb699944c295e /sys/net80211/ieee80211_node.c | |
| parent | ce0001ed0414203062948ce00b1cd6c9ac1e232e (diff) | |
| download | FreeBSD-src-27063b31a058816072e06f74387e19f4f8ed3ef0.zip FreeBSD-src-27063b31a058816072e06f74387e19f4f8ed3ef0.tar.gz | |
Close longstanding race dropping inactive stations; grab a reference
to the node before starting the work, otherwise the node may go
away before a reference is made in ieee80211_send_mgmt.
Approved by: re (blanket wireless)
Obtained from: Atheros
Diffstat (limited to 'sys/net80211/ieee80211_node.c')
| -rw-r--r-- | sys/net80211/ieee80211_node.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_node.c b/sys/net80211/ieee80211_node.c index 285c4c9..8e59b50 100644 --- a/sys/net80211/ieee80211_node.c +++ b/sys/net80211/ieee80211_node.c @@ -1549,6 +1549,7 @@ restart: * in case the driver takes a lock, as this can result * in a LOR between the node lock and the driver lock. */ + ieee80211_ref_node(ni); IEEE80211_NODE_UNLOCK(nt); if (ni->ni_associd != 0) { IEEE80211_SEND_MGMT(ic, ni, @@ -1556,6 +1557,7 @@ restart: IEEE80211_REASON_AUTH_EXPIRE); } ieee80211_node_leave(ic, ni); + ieee80211_free_node(ni); ic->ic_stats.is_node_timeout++; goto restart; } |
