diff options
Diffstat (limited to 'src/core/cachedhcp.c')
| -rw-r--r-- | src/core/cachedhcp.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/core/cachedhcp.c b/src/core/cachedhcp.c index ef2146626..60213f02d 100644 --- a/src/core/cachedhcp.c +++ b/src/core/cachedhcp.c @@ -246,31 +246,49 @@ int cachedhcp_record ( struct cached_dhcp_packet *cache, unsigned int vlan, } /** - * Cached DHCPACK startup function + * Cached DHCP packet startup function * */ static void cachedhcp_startup ( void ) { /* Apply cached ProxyDHCPOFFER, if any */ cachedhcp_apply ( &cached_proxydhcp, NULL ); + cachedhcp_free ( &cached_proxydhcp ); /* Apply cached PXEBSACK, if any */ cachedhcp_apply ( &cached_pxebs, NULL ); + cachedhcp_free ( &cached_pxebs ); - /* Free any remaining cached packets */ + /* Report unclaimed DHCPACK, if any. Do not free yet, since + * it may still be claimed by a dynamically created device + * such as a VLAN device. + */ if ( cached_dhcpack.dhcppkt ) { DBGC ( colour, "CACHEDHCP %s unclaimed\n", cached_dhcpack.name ); } +} + +/** + * Cached DHCP packet shutdown function + * + * @v booting System is shutting down for OS boot + */ +static void cachedhcp_shutdown ( int booting __unused ) { + + /* Free cached DHCPACK, if any */ + if ( cached_dhcpack.dhcppkt ) { + DBGC ( colour, "CACHEDHCP %s never claimed\n", + cached_dhcpack.name ); + } cachedhcp_free ( &cached_dhcpack ); - cachedhcp_free ( &cached_proxydhcp ); - cachedhcp_free ( &cached_pxebs ); } /** Cached DHCPACK startup function */ struct startup_fn cachedhcp_startup_fn __startup_fn ( STARTUP_LATE ) = { .name = "cachedhcp", .startup = cachedhcp_startup, + .shutdown = cachedhcp_shutdown, }; /** |