driverfs: Remove struct driver_dir_entry::files, since it's not being used anymore

drivers/base/fs.c

@@ -156,7 +156,6 @@ int device_bus_link(struct device * dev)
 
 int device_create_dir(struct driver_dir_entry * dir, struct driver_dir_entry * parent)
 {
-	INIT_LIST_HEAD(&dir->files);
 	dir->mode  = (S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO);
 	return driverfs_create_dir(dir,parent);
 }

fs/driverfs/inode.c

@@ -735,8 +735,6 @@ void driverfs_remove_file(struct driver_dir_entry * dir, const char * name)
 	dentry = lookup_hash(&qstr,dir->dentry);
 
 	if (!IS_ERR(dentry)) {
-		struct driver_file_entry * entry = dentry->d_fsdata;
-
 		/* make sure dentry is really there */
 		if (dentry->d_inode && 
 		    (dentry->d_parent->d_inode == dir->dentry->d_inode)) {
@@ -770,10 +768,8 @@ void driverfs_remove_dir(struct driver_dir_entry * dir)
 	node = dentry->d_subdirs.next;
 	while (node != &dentry->d_subdirs) {
 		struct dentry * d = list_entry(node,struct dentry,d_child);
-		struct driver_file_entry * entry = d->d_fsdata;
 
 		node = node->next;
-
 		driverfs_unlink(dentry->d_inode,d);
 		dput(dentry);
 		put_mount();

include/linux/driverfs_fs.h

@@ -30,7 +30,6 @@ struct driver_dir_entry {
 	char			* name;
 	struct dentry		* dentry;
 	mode_t			mode;
-	struct list_head	files;
 };
 
 struct device;