[PKTGEN]: Fix kernel_thread() fail leak.

Free all the alocated resources if kernel_thread() call fails.

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 2 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index f2c0e965c139..eef1392b7f8e 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3082,6 +3082,7 @@ static struct pktgen_thread *__init pktgen_find_thread(const char *name)
 
 static int __init pktgen_create_thread(const char *name, int cpu)
 {
+        int err;
         struct pktgen_thread *t = NULL;
         struct proc_dir_entry *pe;
 
@@ -3120,9 +3121,15 @@ static int __init pktgen_create_thread(const char *name, int cpu)
 
         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;
 }