Commit 9c174b57 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

USB: core: no need to save usb_devices_root 

There is no need to save the usb_devices debugfs file as we only need it
when removing it, so have the debugfs code look it up when it is needed
instead, saving the storage.

Link: https://lore.kernel.org/r/YCubCA/trHAF7PtF@kroah.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 70be0464

drivers/usb/core/usb.c

+3 −5
Original line number Diff line number Diff line
@@ -950,17 +950,15 @@ static struct notifier_block usb_bus_nb = { 
	.notifier_call = usb_bus_notify,

};



static struct dentry *usb_devices_root;



static void usb_debugfs_init(void)

{

	usb_devices_root = debugfs_create_file("devices", 0444, usb_debug_root,

					       NULL, &usbfs_devices_fops);

	debugfs_create_file("devices", 0444, usb_debug_root, NULL,

			    &usbfs_devices_fops);

}



static void usb_debugfs_cleanup(void)

{

	debugfs_remove(usb_devices_root);

	debugfs_remove(debugfs_lookup("devices", usb_debug_root));

}



/*