--- fs/ecryptfs/keystore.c

+++ fs/ecryptfs/keystore.c

@@ -1542,6 +1542,7 @@ int ecryptfs_keyring_auth_tok_for_sig(st

printk(KERN_ERR "Could not find key with description: [%s]\n",

sig);

rc = process_request_key_err(PTR_ERR(*auth_tok_key));

+ (*auth_tok_key) = NULL;

goto out;

}

(*auth_tok) = ecryptfs_get_key_payload_data(*auth_tok_key);