CRED: Fix double free in prepare_usermodehelper_creds() error handling

[linux-2.6-microblaze.git] / kernel / cred.c

diff --git a/kernel/cred.c b/kernel/cred.c
index 1b1129d..ce1a52b 100644 (file)
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -10,6 +10,7 @@
  */
 #include <linux/module.h>
 #include <linux/cred.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/key.h>
 #include <linux/keyctl.h>
@@ -397,6 +398,8 @@ struct cred *prepare_usermodehelper_creds(void)
 
 error:
        put_cred(new);
+       return NULL;
+
 free_tgcred:
 #ifdef CONFIG_KEYS
        kfree(tgcred);