s390: avoid format strings leaking into names

This makes sure format strings can't accidentally leak into kernel
interface names.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index cf31d3321dab..a8848db7b09d 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -761,7 +761,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
 
         dev = kzalloc(sizeof(struct device), GFP_KERNEL);
         if (dev) {
-                dev_set_name(dev, priv->internal_name);
+                dev_set_name(dev, "%s", priv->internal_name);
                 dev->bus = &iucv_bus;
                 dev->parent = iucv_root;
                 dev->driver = &vmlogrdr_driver;