fix memory leak caused by switch to vfork

1 files changed, 4 insertions, 3 deletions

diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index e0a8dad53..820fbb064 100644
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -206,21 +206,22 @@ static char **fill_envp(struct dhcpMessage *packet)
 void run_script(struct dhcpMessage *packet, const char *name)
 {
         int pid;
-        char **envp;
+        char **envp, **curr;
 
         if (client_config.script == NULL)
                 return;
 
         DEBUG(LOG_INFO, "vforking and execle'ing %s", client_config.script);
 
+        envp = fill_envp(packet);
         /* call script */
         pid = vfork();
         if (pid) {
                 waitpid(pid, NULL, 0);
+                for (curr = envp; *curr; curr++) free(*curr);
+                free(envp);
                 return;
         } else if (pid == 0) {
-                envp = fill_envp(packet);
-
                 /* close fd's? */
 
                 /* exec script */