drivers: Print USB error when libusb_claim_interface() fails

https://bugs.freedesktop.org/show_bug.cgi?id=98594
This commit is contained in:
Bastien Nocera
2016-11-05 00:10:17 +01:00
parent 12f6dae8cd
commit a0bbbd7d32
19 changed files with 26 additions and 21 deletions

View File

@@ -1465,8 +1465,7 @@ static int dev_open(struct fp_img_dev *idev, unsigned long driver_data)
ret = libusb_claim_interface(idev->udev, 0);
if (ret != LIBUSB_SUCCESS) {
fp_err("libusb_claim_interface failed on interface 0 "
"(err=%d)", ret);
fp_err("libusb_claim_interface failed on interface 0: %s", libusb_error_name(r));
return ret;
}