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usb: Annotate access to USB buffers

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Annotate the USB transfer creation functions with the correct buffer
access attribute. Note that we only annotate them as read_only as the
functions may be used for sending and receiving.

Hopefully this will catch buffer overflows in drivers in the future.
This commit is contained in:
Benjamin Berg
2020-05-12 11:31:09 +02:00
parent 994690cfa3
commit 33d50e4e30
2 changed files with 9 additions and 0 deletions
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3
libfprint/fpi-usb-transfer.h
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@@ -20,6 +20,7 @@
#pragma once
#include <gusb.h>
#include "fpi-compat.h"
#include "fpi-device.h"
G_BEGIN_DECLS
@@ -115,6 +116,7 @@ void fpi_usb_transfer_fill_bulk (FpiUsbTransfer *transfer,
guint8 endpoint,
gsize length);
FP_GNUC_ACCESS (read_only, 3, 4)
void fpi_usb_transfer_fill_bulk_full (FpiUsbTransfer *transfer,
guint8 endpoint,
guint8 *buffer,
@@ -134,6 +136,7 @@ void fpi_usb_transfer_fill_interrupt (FpiUsbTransfer *transfer,
guint8 endpoint,
gsize length);
FP_GNUC_ACCESS (read_only, 3, 4)
void fpi_usb_transfer_fill_interrupt_full (FpiUsbTransfer *transfer,
guint8 endpoint,
guint8 *buffer,