isdn: guard against a potential NULL pointer dereference in old_capi_manufacturer()

[cascardo/linux.git] / include / linux / cdev.h

diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index f309b00..1e29b13 100644 (file)
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -6,6 +6,10 @@
 #include <linux/kdev_t.h>
 #include <linux/list.h>
 
+struct file_operations;
+struct inode;
+struct module;
+
 struct cdev {
        struct kobject kobj;
        struct module *owner;