key: Fix resource leak
On an error iov may still have been reallocated and need freeing
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 3364fbf..a0d373f 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -1112,12 +1112,12 @@
ret = rw_copy_check_uvector(WRITE, _payload_iov, ioc,
ARRAY_SIZE(iovstack), iovstack, &iov);
if (ret < 0)
- return ret;
+ goto err;
if (ret == 0)
goto no_payload_free;
ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
-
+err:
if (iov != iovstack)
kfree(iov);
return ret;
