dhcpc: treat "discover...select...discover..." loop the same way

 as "discover...discover...discover..."

1 files changed, 6 insertions, 0 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 92ebe3676..4cc42eae0 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -363,6 +363,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
                                         packet_num++;
                                         continue;
                                 }
+ leasefail:
                                 udhcp_run_script(NULL, "leasefail");
 #if BB_MMU /* -b is not supported on NOMMU */
                                 if (opt & OPT_b) { /* background if no lease */
@@ -399,6 +400,11 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
                                         udhcp_run_script(NULL, "deconfig");
                                 change_listen_mode(LISTEN_RAW);
                                 state = INIT_SELECTING;
+                                /* "discover...select...discover..." loops
+                                 * were seen in the wild. Treat then similarly
+                                 * to "no response to discover" case */
+                                if (state == REQUESTING)
+                                        goto leasefail;
                                 timeout = 0;
                                 packet_num = 0;
                                 continue;