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[IPV4]: ipconfig.c: fix dhcp timeout behaviour

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I think there is a small bug in ipconfig.c in case IPCONFIG_DHCP is set
and dhcp is used.

When a DHCPOFFER is received, ip address is kept until we get DHCPACK.
If no ack is received, ic_dynamic() returns negatively, but leaves the
offered ip address in ic_myaddr.

This makes the main loop in ip_auto_config() break and uses the maybe
incomplete configuration.

Not sure if it's the best way to do, but the following trivial patch
correct this. 

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maxime Bizon 2005-06-28 13:21:12 -07:00 committed by David S. Miller
parent 2c2910a401
commit 7a1af5d7bb
1 changed files with 3 additions and 1 deletions
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4
net/ipv4/ipconfig.c
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@ -1149,8 +1149,10 @@ static int __init ic_dynamic(void)
ic_rarp_cleanup();
#endif
if (!ic_got_reply)
if (!ic_got_reply) {
ic_myaddr = INADDR_NONE;
return -1;
}
printk("IP-Config: Got %s answer from %u.%u.%u.%u, ",
((ic_got_reply & IC_RARP) ? "RARP"