Variable key_ref is being assigned a value that is never read;
key_ref is being re-assigned a few statements later.  Hence this
assignment is redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
 
        key_check(keyring);
 
-       key_ref = ERR_PTR(-EPERM);
        if (!(flags & KEY_ALLOC_BYPASS_RESTRICTION))
                restrict_link = keyring->restrict_link;