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drivers: Print USB error when libusb_claim_interface() fails

Browse Source 
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
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2
libfprint/drivers/vfs101.c
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@@ -1504,7 +1504,7 @@ static int dev_open(struct fp_img_dev *dev, unsigned long driver_data)
if (r < 0)
{
/* Interface not claimed, return error */
fp_err("could not claim interface 0");
fp_err("could not claim interface 0: %s", libusb_error_name(r));
return r;
}