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-rw-r--r--networking/udhcp/dhcpc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index a34829c3a..9d3d1a31c 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1752,7 +1752,6 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
}
#endif
/* enter bound state */
- timeout = lease_seconds / 2;
temp_addr.s_addr = packet.yiaddr;
bb_info_msg("Lease of %s obtained, lease time %u",
inet_ntoa(temp_addr), (unsigned)lease_seconds);
@@ -1761,6 +1760,11 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
start = monotonic_sec();
udhcp_run_script(&packet, state == REQUESTING ? "bound" : "renew");
already_waited_sec = (unsigned)monotonic_sec() - start;
+ timeout = lease_seconds / 2;
+ if ((unsigned)timeout < already_waited_sec) {
+ /* Something went wrong. Back to discover state */
+ timeout = already_waited_sec = 0;
+ }
state = BOUND;
change_listen_mode(LISTEN_NONE);