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>
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 5222ebe..0e18c5d 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -356,7 +356,7 @@
zops = __ops_lookup(name, variant);
if (!zops) {
- request_module(name);
+ request_module("%s", name);
zops = __ops_lookup(name, variant);
}
if ((!zops) || (!try_module_get(zops->owner)))