KEYS: fix error return code in big_key_instantiate()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/security/keys/big_key.c b/security/keys/big_key.c
index 5f9defc4a807..2cf5e62d67af 100644
--- a/security/keys/big_key.c
+++ b/security/keys/big_key.c
@@ -71,8 +71,10 @@ int big_key_instantiate(struct key *key, struct key_preparsed_payload *prep)
                  * TODO: Encrypt the stored data with a temporary key.
                  */
                 file = shmem_file_setup("", datalen, 0);
-                if (IS_ERR(file))
+                if (IS_ERR(file)) {
+                        ret = PTR_ERR(file);
                         goto err_quota;
+                }
 
                 written = kernel_write(file, prep->data, prep->datalen, 0);
                 if (written != datalen) {