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net/dhcp: Remove dead code 

The comment is right, the "giaddr" fields holds the IP address of the BOOTP
relay, not a general purpose router address. Just remove the commented code,
archeologists can find it in the git history.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Andrei Borzenkov 2019-03-07 15:14:07 +00:00 committed by Vincent Batts
parent a728cd4d1d
commit 526fa11df7
1 changed files with 0 additions and 29 deletions
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29
grub-core/net/bootp.c
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@ -179,35 +179,6 @@ grub_net_configure_by_dhcp_ack (const char *name,
if (!inter)
return 0;
#if 0
/* This is likely based on misunderstanding. gateway_ip refers to
address of BOOTP relay and should not be used after BOOTP transaction
is complete.
See RFC1542, 3.4 Interpretation of the 'giaddr' field
*/
if (bp->gateway_ip)
{
grub_net_network_level_netaddress_t target;
grub_net_network_level_address_t gw;
char *rname;
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
target.ipv4.base = bp->server_ip;
target.ipv4.masksize = 32;
gw.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
gw.ipv4 = bp->gateway_ip;
rname = grub_xasprintf ("%s:gw", name);
if (rname)
grub_net_add_route_gw (rname, target, gw);
grub_free (rname);
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
target.ipv4.base = bp->gateway_ip;
target.ipv4.masksize = 32;
grub_net_add_route (name, target, inter);
}
#endif
if (size > OFFSET_OF (boot_file, bp))
grub_env_set_net_property (name, "boot_file", bp->boot_file,
sizeof (bp->boot_file));