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Skip incorrect USB devices.

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* grub-core/bus/usb/usb.c (grub_usb_device_initialize): Fail if
	configcnt == 0.
	* include/grub/usb.h (grub_usb_err_t): New enum value
	GRUB_USB_ERR_BADDEVICE.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-05-16 02:39:25 +02:00
parent 638dbe4f27
commit ff44d107ad
3 changed files with 17 additions and 1 deletions
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6
grub-core/bus/usb/usb.c
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@ -185,6 +185,12 @@ grub_usb_device_initialize (grub_usb_device_t dev)
for (i = 0; i < 8; i++)
dev->config[i].descconf = NULL;
if (descdev->configcnt == 0)
{
err = GRUB_USB_ERR_BADDEVICE;
goto fail;
}
for (i = 0; i < descdev->configcnt; i++)
{
int pos;