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Date: Wed, 09 Nov 2011 13:31:40 -0800 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Fabian Godehardt <fg@...ix.com> Subject: [053/264] USB: g_printer: fix bug in unregistration 3.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fabian Godehardt <fg@...ix.com> commit 8582d86143c690c68cc42f996def466a035bee34 upstream. 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@...ix.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- drivers/usb/gadget/printer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1611,7 +1611,7 @@ 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); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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