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drivers: Print USB error when libusb_claim_interface() fails

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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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libfprint/drivers/upekts.c
+3 -1
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@@ -875,8 +875,10 @@ static int dev_init(struct fp_dev *dev, unsigned long driver_data)
int r;
r = libusb_claim_interface(dev->udev, 0);
if (r < 0)
if (r < 0) {
fp_err("could not claim interface 0: %s", libusb_error_name(r));
return r;
}
upekdev = g_malloc(sizeof(*upekdev));
upekdev->seq = 0xf0; /* incremented to 0x00 before first cmd */