Commit 8582d861 authored by Fabian Godehardt's avatar Fabian Godehardt Committed by Greg Kroah-Hartman

USB: g_printer: fix bug in unregistration

The allocated chardevice region range is only 1 device but on
unregister it currently tries to deregister 2.

Found this while doing a insmod/rmmod/insmod/rm... of the module
which seemed to eat major numbers.
Signed-off-by: default avatarFabian Godehardt <fg@emlix.com>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent fba9e546
...@@ -1594,7 +1594,7 @@ cleanup(void) ...@@ -1594,7 +1594,7 @@ cleanup(void)
if (status) if (status)
ERROR(dev, "usb_gadget_unregister_driver %x\n", status); ERROR(dev, "usb_gadget_unregister_driver %x\n", status);
unregister_chrdev_region(g_printer_devno, 2); unregister_chrdev_region(g_printer_devno, 1);
class_destroy(usb_gadget_class); class_destroy(usb_gadget_class);
mutex_unlock(&usb_printer_gadget.lock_printer_io); mutex_unlock(&usb_printer_gadget.lock_printer_io);
} }
......
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