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authorFabian Godehardt <fg@emlix.com>2011-09-01 14:15:46 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-09-18 01:33:06 -0700
commit8582d86143c690c68cc42f996def466a035bee34 (patch)
treeb1f76f9d2a83485a24896c11d3cbe30193636efe /drivers/usb/gadget/printer.c
parentfba9e546eac984d46c4a16253344d7297c24d75c (diff)
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: Fabian Godehardt <fg@emlix.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/printer.c')
-rw-r--r--drivers/usb/gadget/printer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 68a0efbc271..65a8834f274 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -1594,7 +1594,7 @@ cleanup(void)
if (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);
mutex_unlock(&usb_printer_gadget.lock_printer_io);
}