fix a long standing underallocation bug

1 files changed, 5 insertions, 2 deletions

diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index 1f74cd742..24688b518 100644
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -146,8 +146,11 @@ static char **fill_envp(struct dhcpMessage *packet)
                 num_options = 0;
         else {
                 for (i = 0; dhcp_options[i].code; i++)
-                        if (get_option(packet, dhcp_options[i].code))
+                        if (get_option(packet, dhcp_options[i].code)) {
                                 num_options++;
+                                if (dhcp_options[i].code == DHCP_SUBNET)
+                                        num_options++; /* for mton */
+                        }
                 if (packet->siaddr) num_options++;
                 if ((temp = get_option(packet, DHCP_OPTION_OVER)))
                         over = *temp;
@@ -194,7 +197,7 @@ static char **fill_envp(struct dhcpMessage *packet)
                 /* watch out for invalid packets */
                 packet->sname[sizeof(packet->sname) - 1] = '\0';
                 asprintf(&envp[j++], "sname=%s", packet->sname);
-        }       
+        }
         return envp;
 }