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fpi-usb-transfer: Take ownership of the transfer when submitting it

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When a transfer is completed, we automatically unref it since we can't
consider it valid anymore since this point.

Update the drivers not to free the transfer after submitting anymore.
This commit is contained in:
Marco Trevisan (Treviño)
2019-11-26 21:23:42 +01:00
parent a855c0cc79
commit 2642fc6560
20 changed files with 10 additions and 87 deletions
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5
libfprint/drivers/vfs0050.c
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@@ -56,7 +56,6 @@ async_write (FpiSsm *ssm,
transfer->short_is_error = TRUE;
fpi_usb_transfer_submit (transfer, VFS_USB_TIMEOUT, NULL,
async_write_callback, NULL);
fpi_usb_transfer_unref (transfer);
}
/* Callback for async_read */
@@ -108,7 +107,6 @@ async_read (FpiSsm *ssm,
fpi_usb_transfer_submit (transfer, VFS_USB_TIMEOUT, NULL,
async_read_callback, NULL);
fpi_usb_transfer_unref (transfer);
}
/* Callback for async_abort */
@@ -160,7 +158,6 @@ async_abort (FpDevice *dev, FpiSsm *ssm, int ep)
fpi_usb_transfer_submit (transfer, VFS_USB_ABORT_TIMEOUT, NULL,
async_abort_callback, NULL);
fpi_usb_transfer_unref (transfer);
}
/* Image processing functions */
@@ -564,7 +561,6 @@ activate_ssm (FpiSsm *ssm, FpDevice *dev)
0,
fpi_device_get_cancellable (dev),
interrupt_callback, NULL);
fpi_usb_transfer_unref (transfer);
/* I've put it here to be sure that data is cleared */
clear_data (self);
@@ -614,7 +610,6 @@ activate_ssm (FpiSsm *ssm, FpDevice *dev)
transfer->ssm = ssm;
fpi_usb_transfer_submit (transfer, VFS_USB_TIMEOUT, NULL,
receive_callback, NULL);
fpi_usb_transfer_unref (transfer);
break;
}