udhcpc6: fix lease time staying very small because -d was not specified

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 3e200eb21..f6a01333c 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -1706,6 +1706,10 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
                                         bb_error_msg("%s obtained, lease time %u",
                                                 "prefix", /*inet_ntoa(temp_addr),*/ (unsigned)lease_seconds);
                                 }
+                                if (!address_timeout)
+                                        address_timeout = prefix_timeout;
+                                if (!prefix_timeout)
+                                        prefix_timeout = address_timeout;
                                 timeout = address_timeout > prefix_timeout ? prefix_timeout : address_timeout;
                                 /* paranoia: must not be too small */
                                 if (timeout < 0x10)