yar 2006-06-29 07:52:30 UTC
FreeBSD src repository
Modified files:
sys/net if_vlan.c
Log:
Detach the interface first, do vlan_unconfig() then.
Previously, another thread could get a pointer to the
interface by scanning the system-wide list and sleep
on the global vlan mutex held by vlan_unconfig().
The interface was gone by the time the other thread
woke up.
In order to be able to call vlan_unconfig() on a detached
interface, remove the purely cosmetic bzero'ing of IF_LLADDR
from the function because a detached interface has no addresses.
Noticed by: a stress-testing script by maxim
Reviewed by: glebius
Revision Changes Path
1.105 +3 -9 src/sys/net/if_vlan.c
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