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From 2af78ce8e06f513b96afb639a1406c116b77ecc2 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
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Date: Tue, 3 Dec 2019 19:34:58 +0100
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Subject: [PATCH 066/181] fpi-usb: Use unsigned length for USB async transfers
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Properly follow function signature using a temporary gsize variable address
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to make the function use the same pointer type and avoid troubles at
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deferencing it, while use automatic-casting to switch to signed one if
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transfer succeeded.
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---
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libfprint/fpi-usb-transfer.c | 9 ++++++---
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1 file changed, 6 insertions(+), 3 deletions(-)
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diff --git a/libfprint/fpi-usb-transfer.c b/libfprint/fpi-usb-transfer.c
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index 64d706f..08e75cb 100644
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--- a/libfprint/fpi-usb-transfer.c
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+++ b/libfprint/fpi-usb-transfer.c
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@@ -454,6 +454,7 @@ fpi_usb_transfer_submit_sync (FpiUsbTransfer *transfer,
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GError **error)
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{
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gboolean res;
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+ gsize actual_length;
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g_return_val_if_fail (transfer, FALSE);
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@@ -469,7 +470,7 @@ fpi_usb_transfer_submit_sync (FpiUsbTransfer *transfer,
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transfer->endpoint,
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transfer->buffer,
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transfer->length,
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- &transfer->actual_length,
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+ &actual_length,
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timeout_ms,
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NULL,
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error);
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@@ -485,7 +486,7 @@ fpi_usb_transfer_submit_sync (FpiUsbTransfer *transfer,
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transfer->idx,
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transfer->buffer,
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transfer->length,
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- &transfer->actual_length,
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+ &actual_length,
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timeout_ms,
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NULL,
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error);
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@@ -496,7 +497,7 @@ fpi_usb_transfer_submit_sync (FpiUsbTransfer *transfer,
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transfer->endpoint,
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transfer->buffer,
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transfer->length,
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- &transfer->actual_length,
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+ &actual_length,
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timeout_ms,
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NULL,
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error);
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@@ -511,6 +512,8 @@ fpi_usb_transfer_submit_sync (FpiUsbTransfer *transfer,
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if (!res)
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transfer->actual_length = -1;
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+ else
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+ transfer->actual_length = actual_length;
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return res;
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}
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--
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2.24.1
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