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drivers: Simplify libusb_alloc_transfer(0) calls

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By using our new, never-failing, USB allocation wrapper. As it can never
fail, we can also remove all the error paths for the allocations
failing.
This commit is contained in:
Bastien Nocera
2018-09-19 17:06:17 +02:00
parent bdba9990fb
commit 10ae8ffb55
18 changed files with 74 additions and 325 deletions
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libfprint/drivers/aesx660.c
+2 -12
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@@ -46,14 +46,9 @@ aesX660_send_cmd_timeout(fpi_ssm *ssm,
int timeout)
{
struct fp_img_dev *dev = FP_IMG_DEV(_dev);
struct libusb_transfer *transfer = libusb_alloc_transfer(0);
struct libusb_transfer *transfer = fpi_usb_alloc();
int r;
if (!transfer) {
fpi_ssm_mark_failed(ssm, -ENOMEM);
return;
}
libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT,
(unsigned char *)cmd, cmd_len,
callback, ssm, timeout);
@@ -82,15 +77,10 @@ aesX660_read_response(fpi_ssm *ssm,
libusb_transfer_cb_fn callback)
{
struct fp_img_dev *dev = FP_IMG_DEV(_dev);
struct libusb_transfer *transfer = libusb_alloc_transfer(0);
struct libusb_transfer *transfer = fpi_usb_alloc();
unsigned char *data;
int r;
if (!transfer) {
fpi_ssm_mark_failed(ssm, -ENOMEM);
return;
}
data = g_malloc(buf_len);
libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN,
data, buf_len,