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Discard the packet if the netisr queue is null instead of panicing, for

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the benefit of modules which are compiled differently than the kernel.
This commit is contained in:
Jonathan Lemon 2003-03-08 22:12:32 +00:00
parent a3b6edc353
commit fb68148f4a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=112011
1 changed files with 8 additions and 2 deletions
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10
sys/net/netisr.c
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@ -146,7 +146,10 @@ netisr_dispatch(int num, struct mbuf *m)
KASSERT(!(num < 0 || num >= (sizeof(netisrs)/sizeof(*netisrs))),
("bad isr %d", num));
ni = &netisrs[num];
KASSERT(ni->ni_queue != NULL, ("no queue for isr %d", num));
if (ni->ni_queue == NULL) {
m_freem(m);
return;
}
if (netisr_enable && mtx_trylock(&netisr_mtx)) {
isrstat.isrs_directed++;
/*
@ -185,7 +188,10 @@ netisr_queue(int num, struct mbuf *m)
KASSERT(!(num < 0 || num >= (sizeof(netisrs)/sizeof(*netisrs))),
("bad isr %d", num));
ni = &netisrs[num];
KASSERT(ni->ni_queue != NULL, ("no queue for isr %d", num));
if (ni->ni_queue == NULL) {
m_freem(m);
return (1);
}
isrstat.isrs_queued++;
if (!IF_HANDOFF(ni->ni_queue, m, NULL))
return (0);