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usb-device: Do not claim USB interface in raw disk mode

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This commit is contained in:
Pali Rohár committed 2014-11-18 23:51:04 +01:00
1 parent ea980459f1
commit bc4aeefab5
1 file changed
+18 -11
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src/usb-device.c
+18 -11
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@@ -42,9 +42,9 @@
static struct usb_flash_device usb_devices[] = {
{ 0x0421, 0x0105, 2, 1, -1, FLASH_NOLO, { DEVICE_SU_18, DEVICE_RX_44, DEVICE_RX_48, DEVICE_RX_51, 0 } },
{ 0x0421, 0x0106, 0, -1, -1, FLASH_COLD, { DEVICE_RX_51, 0 } },
{ 0x0421, 0x01c7, 0, -1, -1, FLASH_DISK, { DEVICE_RX_51, 0 } },
{ 0x0421, 0x01c7, -1, -1, -1, FLASH_DISK, { DEVICE_RX_51, 0 } },
{ 0x0421, 0x01c8, 1, 1, -1, FLASH_MKII, { DEVICE_RX_51, 0 } },
{ 0x0421, 0x0431, 0, -1, -1, FLASH_DISK, { DEVICE_SU_18, DEVICE_RX_34, 0 } },
{ 0x0421, 0x0431, -1, -1, -1, FLASH_DISK, { DEVICE_SU_18, DEVICE_RX_34, 0 } },
{ 0x0421, 0x3f00, 2, 1, -1, FLASH_NOLO, { DEVICE_RX_34, 0 } },
};
@@ -90,6 +90,9 @@ static void usb_reattach_kernel_driver(usb_dev_handle * udev, int interface) {
.data = NULL,
};
if ( interface < 0 )
return;
usb_release_interface(udev, interface);
ioctl(*((int *)udev), _IOWR('U', 18, command), &command);
#endif
@@ -159,18 +162,22 @@ static struct usb_device_info * usb_device_is_valid(struct usb_device * dev) {
usb_descriptor_info_print(udev, dev, product, sizeof(product));
if ( usb_devices[i].interface >= 0 ) {
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
PRINTF_LINE("Detaching kernel from USB interface...");
usb_detach_kernel_driver_np(udev, usb_devices[i].interface);
PRINTF_LINE("Detaching kernel from USB interface...");
usb_detach_kernel_driver_np(udev, usb_devices[i].interface);
#endif
PRINTF_LINE("Claiming USB interface...");
if ( usb_claim_interface(udev, usb_devices[i].interface) < 0 ) {
PRINTF_ERROR("usb_claim_interface failed");
fprintf(stderr, "\n");
usb_reattach_kernel_driver(udev, usb_devices[i].interface);
usb_close(udev);
return NULL;
PRINTF_LINE("Claiming USB interface...");
if ( usb_claim_interface(udev, usb_devices[i].interface) < 0 ) {
PRINTF_ERROR("usb_claim_interface failed");
fprintf(stderr, "\n");
usb_reattach_kernel_driver(udev, usb_devices[i].interface);
usb_close(udev);
return NULL;
}
}
if ( usb_devices[i].alternate >= 0 ) {