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Clear pending ifnet events, in an attempt at preventing

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ng_ether_link_state() from being dispatched after we have
cleared our IFP2NG(ifp).

MFC after:	3 days
This commit is contained in:
Marko Zec 2011-07-16 19:11:45 +00:00
parent f683b68e5a
commit 2cdf8c49a6
1 changed files with 2 additions and 0 deletions
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2
sys/netgraph/ng_ether.c
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@ -55,6 +55,7 @@
#include <sys/proc.h> #include <sys/proc.h>
#include <sys/syslog.h> #include <sys/syslog.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/taskqueue.h>
#include <net/if.h> #include <net/if.h>
#include <net/if_dl.h> #include <net/if_dl.h>
@ -336,6 +337,7 @@ ng_ether_detach(struct ifnet *ifp)
const node_p node = IFP2NG(ifp); const node_p node = IFP2NG(ifp);
const priv_p priv = NG_NODE_PRIVATE(node); const priv_p priv = NG_NODE_PRIVATE(node);
taskqueue_drain(taskqueue_swi, &ifp->if_linktask);
NG_NODE_REALLY_DIE(node); /* Force real removal of node */ NG_NODE_REALLY_DIE(node); /* Force real removal of node */
/* /*
* We can't assume the ifnet is still around when we run shutdown * We can't assume the ifnet is still around when we run shutdown