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avoid lock recursion by deferring the link check until after LLE lock is dropped

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This commit is contained in:
Kip Macy 2008-12-24 01:08:18 +00:00
parent 8c975889a8
commit ee6326a30b
1 changed files with 5 additions and 1 deletions
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6
sys/netinet6/nd6_nbr.c
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@ -603,6 +603,7 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len)
int is_override;
char *lladdr = NULL;
int lladdrlen = 0;
int checklink = 0;
struct ifaddr *ifa;
struct llentry *ln = NULL;
union nd_opts ndopts;
@ -739,7 +740,7 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len)
* non-reachable to probably reachable, and might
* affect the status of associated prefixes..
*/
pfxlist_onlink_check();
checklink = 1;
}
} else {
int llchange;
@ -886,6 +887,9 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len)
if (chain)
nd6_output_flush(ifp, ifp, chain, &sin6, NULL);
}
if (checklink)
pfxlist_onlink_check();
m_freem(m);
return;