pktgen: Fix kernel_thread() fail leak.

index b9dea09..af310e5 100644
@@ -3002,6 +3002,7 @@ static struct pktgen_thread *__init pktg
 
 static int __init pktgen_create_thread(const char *name, int cpu)
 {
+	int err;
 	struct pktgen_thread *t = NULL;
 	struct proc_dir_entry *pe;
 

@@ -3040,9 +3041,15 @@ static int __init pktgen_create_thread(c
 
 	t->removed = 0;
 
-	if (kernel_thread((void *)pktgen_thread_worker, (void *)t,
-			  CLONE_FS | CLONE_FILES | CLONE_SIGHAND) < 0)
+	err = kernel_thread((void *)pktgen_thread_worker, (void *)t,
+			  CLONE_FS | CLONE_FILES | CLONE_SIGHAND);
+	if (err < 0) {
 		printk("pktgen: kernel_thread() failed for cpu %d\n", t->cpu);
+		remove_proc_entry(t->name, pg_proc_dir);
+		list_del(&t->th_list);
+		kfree(t);
+		return err;
+	}
 
 	return 0;
 }