drivers USB: check usb_open() result

Fixes issue 245
This commit is contained in:
Philippe Teuwen 2013-04-05 15:42:01 +02:00
parent 9cb9e0e6da
commit b950eacfdf
2 changed files with 8 additions and 2 deletions

View file

@ -327,6 +327,8 @@ acr122_usb_scan(const nfc_context *context, nfc_connstring connstrings[], const
}
usb_dev_handle *udev = usb_open(dev);
if (udev == NULL)
continue;
// Set configuration
// acr122_usb_get_usb_device_name (dev, udev, pnddDevices[device_found].acDevice, sizeof (pnddDevices[device_found].acDevice));
@ -413,7 +415,8 @@ acr122_usb_open(const nfc_context *context, const nfc_connstring connstring)
continue;
}
// Open the USB device
data.pudh = usb_open(dev);
if ((data.pudh = usb_open(dev)) == NULL)
continue;
// Reset device
usb_reset(data.pudh);
// Retrieve end points

View file

@ -204,6 +204,8 @@ pn53x_usb_scan(const nfc_context *context, nfc_connstring connstrings[], const s
}
usb_dev_handle *udev = usb_open(dev);
if (udev == NULL)
continue;
// Set configuration
int res = usb_set_configuration(udev, 1);
@ -298,7 +300,8 @@ pn53x_usb_open(const nfc_context *context, const nfc_connstring connstring)
continue;
}
// Open the USB device
data.pudh = usb_open(dev);
if ((data.pudh = usb_open(dev)) == NULL)
continue;
// Retrieve end points
pn53x_usb_get_end_points(dev, &data);
// Set configuration