Merge tag 'imx-fixes-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...

[sfrench/cifs-2.6.git] / security / keys / keyctl.c

diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index e26f860e5f2ec5e88e77c797da6c8642b1291697..eff88a5f5d40da17611d381bcf4e219a90bcc972 100644 (file)
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -37,6 +37,8 @@ static int key_get_type_from_user(char *type,
                return ret;
        if (ret == 0 || ret >= len)
                return -EINVAL;
+       if (type[0] == '.')
+               return -EPERM;
        type[len - 1] = '\0';
        return 0;
 }