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Remove some assumptions about DHCP obtaining only a single options block.

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This commit is contained in:
Michael Brown
2007-11-21 04:48:18 +00:00
parent 8d18338ae7
commit fb809da2df
4 changed files with 23 additions and 14 deletions
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19
src/usr/dhcpmgmt.c
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@@ -32,27 +32,30 @@
*
*/
static struct dhcp_option_block *dhcp_options = NULL;
static int dhcp_success ( struct net_device *netdev,
struct dhcp_option_block *options ) {
dhcp_options = dhcpopt_get ( options );
DBGC ( options, "DHCP client registering options %p\n", options );
register_dhcp_options ( options );
return dhcp_configure_netdev ( netdev, options );
}
int dhcp ( struct net_device *netdev ) {
struct dhcp_option_block *options;
struct dhcp_option_block *tmp;
int rc;
/* Check we can open the interface first */
if ( ( rc = ifopen ( netdev ) ) != 0 )
return rc;
/* Unregister any previously acquired options */
if ( dhcp_options ) {
unregister_dhcp_options ( dhcp_options );
dhcpopt_put ( dhcp_options );
dhcp_options = NULL;
/* Unregister any option blocks acquired via DHCP */
list_for_each_entry_safe ( options, tmp, &dhcp_option_blocks, list ) {
/* Skip static option blocks (e.g. from NVS) */
if ( find_dhcp_option ( options, DHCP_MESSAGE_TYPE ) ) {
DBGC ( options, "DHCP client unregistering options "
"%p\n", options );
unregister_dhcp_options ( options );
}
}
/* Perform DHCP */