From 98b41e5b07b28b438fb0be45ba294a932f4c849b Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Thu, 7 Aug 2014 20:08:31 +0200
Subject: [PATCH] sync hostfile more often

---
 src/dhcpv4.c    | 9 +--------
 src/dhcpv6-ia.c | 7 +------
 2 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/src/dhcpv4.c b/src/dhcpv4.c
index 9746aa2..2093ecd 100644
--- a/src/dhcpv4.c
+++ b/src/dhcpv4.c
@@ -491,7 +491,6 @@ static struct dhcpv4_assignment* dhcpv4_lease(struct interface *iface,
 		}
 	}
 
-	bool update_state = false;
 	if (msg == DHCPV4_MSG_DISCOVER || msg == DHCPV4_MSG_REQUEST) {
 		bool assigned = !!a;
 		size_t hostlen = strlen(hostname) + 1;
@@ -530,24 +529,18 @@ static struct dhcpv4_assignment* dhcpv4_lease(struct interface *iface,
 			a = NULL;
 		}
 
-		if (a)
-			update_state = true;
-
 		if (assigned && a)
 			lease = a;
 	} else if (msg == DHCPV4_MSG_RELEASE) {
 		if (a) {
 			a->valid_until = 0;
-			update_state = true;
 		}
 	} else if (msg == DHCPV4_MSG_DECLINE) {
 		memset(a->hwaddr, 0, sizeof(a->hwaddr));
 		a->valid_until = now + 3600; // Block address for 1h
-		update_state = true;
 	}
 
-	if (update_state)
-		dhcpv6_write_statefile();
+	dhcpv6_write_statefile();
 
 	return lease;
 }
diff --git a/src/dhcpv6-ia.c b/src/dhcpv6-ia.c
index 610bca3..8f0307e 100644
--- a/src/dhcpv6-ia.c
+++ b/src/dhcpv6-ia.c
@@ -976,7 +976,6 @@ ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
 		goto out;
 
 	update(iface);
-	bool update_state = false;
 
 	struct dhcpv6_assignment *first = NULL;
 	dhcpv6_for_each_option(start, end, otype, olen, odata) {
@@ -1165,7 +1164,6 @@ ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
 				}
 				a->accept_reconf = accept_reconf;
 				apply_lease(iface, a, true);
-				update_state = true;
 			} else if (!assigned && a && a->managed_size == 0) { // Cleanup failed assignment
 				free_dhcpv6_assignment(a);
 			}
@@ -1184,11 +1182,9 @@ ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
 			} else if (hdr->msg_type == DHCPV6_MSG_RELEASE) {
 				a->valid_until = 0;
 				apply_lease(iface, a, false);
-				update_state = true;
 			} else if (hdr->msg_type == DHCPV6_MSG_DECLINE && a->length == 128) {
 				a->clid_len = 0;
 				a->valid_until = now + 3600; // Block address for 1h
-				update_state = true;
 			}
 		} else if (hdr->msg_type == DHCPV6_MSG_CONFIRM && ia_addr_present) {
 			// Send NOTONLINK for CONFIRM with addr present so that clients restart connection
@@ -1213,8 +1209,7 @@ ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
 		response_len += 6;
 	}
 
-	if (update_state)
-		dhcpv6_write_statefile();
+	dhcpv6_write_statefile();
 
 out:
 	return response_len;
-- 
2.30.2