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Fix so that a multicast packet can be sent

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even if there is no route out to that mcast address. The code in
in_pcb inadvertantly would error (no route) even though
the user may have specified the address with the
proper socket option (to specify the egress interface).
Thanks bz for reminding me I forgot to commit this ;-)

Reviewed by:	bz
MFC after:	1 week
This commit is contained in:
rrs 2010-11-11 05:40:39 +00:00
parent c4343a6448
commit 8bcde2d437
1 changed files with 4 additions and 5 deletions
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9
sys/netinet/in_pcb.c
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@ -874,10 +874,6 @@ in_pcbconnect_setup(struct inpcb *inp, struct sockaddr *nam,
}
}
if (laddr.s_addr == INADDR_ANY) {
error = in_pcbladdr(inp, &faddr, &laddr, cred);
if (error)
return (error);
/*
* If the destination address is multicast and an outgoing
* interface has been set as a multicast option, use the
@ -902,9 +898,12 @@ in_pcbconnect_setup(struct inpcb *inp, struct sockaddr *nam,
laddr = ia->ia_addr.sin_addr;
IN_IFADDR_RUNLOCK();
}
} else {
error = in_pcbladdr(inp, &faddr, &laddr, cred);
if (error)
return (error);
}
}
oinp = in_pcblookup_hash(inp->inp_pcbinfo, faddr, fport, laddr, lport,
0, NULL);
if (oinp != NULL) {