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Adapting to latest libusb-1.0 changes

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Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
[dsd: remove config const qualifier and add freeing of config]
This commit is contained in:
Vasily Khoruzhick
2008-05-13 01:24:05 +03:00
committed by Daniel Drake
parent 63421e3fd6
commit aa7c8ae81e
2 changed files with 28 additions and 11 deletions
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27
libfprint/drivers/uru4000.c
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@@ -1106,7 +1106,7 @@ static void dev_deactivate(struct fp_img_dev *dev)
static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
{
const struct libusb_config_descriptor *config;
struct libusb_config_descriptor *config;
const struct libusb_interface *iface = NULL;
const struct libusb_interface_descriptor *iface_desc;
const struct libusb_endpoint_descriptor *ep;
@@ -1115,7 +1115,11 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
int r;
/* Find fingerprint interface */
config = libusb_get_config_descriptor(libusb_get_device(dev->udev));
r = libusb_get_config_descriptor(libusb_get_device(dev->udev), 0, &config);
if (r < 0) {
fp_err("Failed to get config descriptor");
return r;
}
for (i = 0; i < config->bNumInterfaces; i++) {
const struct libusb_interface *cur_iface = &config->interface[i];
@@ -1133,14 +1137,16 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
if (iface == NULL) {
fp_err("could not find interface");
return -ENODEV;
r = -ENODEV;
goto out;
}
/* Find/check endpoints */
if (iface_desc->bNumEndpoints != 2) {
fp_err("found %d endpoints!?", iface_desc->bNumEndpoints);
return -ENODEV;
r = -ENODEV;
goto out;
}
ep = &iface_desc->endpoint[0];
@@ -1148,7 +1154,8 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
|| (ep->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) !=
LIBUSB_TRANSFER_TYPE_INTERRUPT) {
fp_err("unrecognised interrupt endpoint");
return -ENODEV;
r = -ENODEV;
goto out;
}
ep = &iface_desc->endpoint[1];
@@ -1156,7 +1163,8 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
|| (ep->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) !=
LIBUSB_TRANSFER_TYPE_BULK) {
fp_err("unrecognised bulk endpoint");
return -ENODEV;
r = -ENODEV;
goto out;
}
/* Device looks like a supported reader */
@@ -1164,7 +1172,7 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
r = libusb_claim_interface(dev->udev, iface_desc->bInterfaceNumber);
if (r < 0) {
fp_err("interface claim failed");
return r;
goto out;
}
urudev = g_malloc0(sizeof(*urudev));
@@ -1173,7 +1181,10 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
AES_set_encrypt_key(crkey, 128, &urudev->aeskey);
dev->priv = urudev;
fpi_imgdev_open_complete(dev, 0);
return 0;
out:
libusb_free_config_descriptor(config);
return r;
}
static void dev_deinit(struct fp_img_dev *dev)