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Diffstat (limited to 'networking/udhcp/dhcpd.c')
-rw-r--r--networking/udhcp/dhcpd.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index d248d2b..c46e172 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -70,8 +70,10 @@ static void add_static_lease(struct static_lease **st_lease_pp,
}
/* Find static lease IP by mac */
-static uint32_t get_static_nip_by_mac(struct static_lease *st_lease, void *mac)
+static uint32_t get_static_nip_by_mac(void *mac)
{
+ struct static_lease *st_lease = server_config.static_leases;
+
while (st_lease) {
if (memcmp(st_lease->mac, mac, 6) == 0)
return st_lease->nip;
@@ -81,8 +83,10 @@ static uint32_t get_static_nip_by_mac(struct static_lease *st_lease, void *mac)
return 0;
}
-static int is_nip_reserved(struct static_lease *st_lease, uint32_t nip)
+static int is_nip_reserved_as_static(uint32_t nip)
{
+ struct static_lease *st_lease = server_config.static_leases;
+
while (st_lease) {
if (st_lease->nip == nip)
return 1;
@@ -288,7 +292,7 @@ static uint32_t find_free_or_expired_nip(const uint8_t *safe_mac, unsigned arppi
if (nip == server_config.server_nip)
goto next_addr;
/* is this a static lease addr? */
- if (is_nip_reserved(server_config.static_leases, nip))
+ if (is_nip_reserved_as_static(nip))
goto next_addr;
lease = find_lease_by_nip(nip);
@@ -518,13 +522,13 @@ static NOINLINE void read_leases(const char *file)
expires = 0;
/* Check if there is a different static lease for this IP or MAC */
- static_nip = get_static_nip_by_mac(server_config.static_leases, lease.lease_mac);
+ static_nip = get_static_nip_by_mac(lease.lease_mac);
if (static_nip) {
/* NB: we do not add lease even if static_nip == lease.lease_nip.
*/
continue;
}
- if (is_nip_reserved(server_config.static_leases, lease.lease_nip))
+ if (is_nip_reserved_as_static(lease.lease_nip))
continue;
/* NB: add_lease takes "relative time", IOW,
@@ -999,7 +1003,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
}
/* Look for a static/dynamic lease */
- static_lease_nip = get_static_nip_by_mac(server_config.static_leases, &packet.chaddr);
+ static_lease_nip = get_static_nip_by_mac(&packet.chaddr);
if (static_lease_nip) {
bb_info_msg("found static lease: %x", static_lease_nip);
memcpy(&fake_lease.lease_mac, &packet.chaddr, 6);