Only send non-zero route lifetime to NETLINK

NetworkConfiguration · Jan 9, 2025 · 4a07e73 · 4a07e73
1 parent d2306bd
commit 4a07e73
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/if-linux.c b/src/if-linux.c
@@ -753,9 +753,14 @@ if_copyrt(struct dhcpcd_ctx *ctx, struct rt *rt, struct nlmsghdr *nlm)
 			break;
 		}
 		case RTA_EXPIRES:
-			rt->rt_expires = *(uint32_t *)RTA_DATA(rta);
+		{
+			if (rt->rt_expires != 0)
+			{
+				rt->rt_expires = *(uint32_t *)RTA_DATA(rta);
+			}
 			break;
 		}
+		}
 
 		if (sa != NULL) {
 			socklen_t salen;