system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-07-22 03:54:10 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

hidclass.sys: Only drop input reports when length is too short.

Browse source 
And add some warnings when we do.

This otherwise makes the effect state reports from the tests to be
always dropped as they are shorter than the returned length, which is
the read buffer size and the maximum input report length.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-12-02 10:47:44 +01:00 committed by Alexandre Julliard
parent b431dceeca
commit c2f473d6c4
1 changed files with 11 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
dlls/hidclass.sys/device.c
View file

@ -322,7 +322,6 @@ static DWORD CALLBACK hid_device_thread(void *args)
packet = malloc( sizeof(*packet) + desc->InputLength );
buffer = (BYTE *)(packet + 1);
packet->reportBuffer = buffer;
report = find_report_with_type_and_id( ext, HidP_Input, 0, TRUE );
if (!report) WARN("no input report found.\n");
@ -331,6 +330,7 @@ static DWORD CALLBACK hid_device_thread(void *args)
do
{
packet->reportId = buffer[0] = report_id;
packet->reportBuffer = buffer;
packet->reportBufferLen = desc->InputLength;
if (!report_id)
@ -345,13 +345,17 @@ static DWORD CALLBACK hid_device_thread(void *args)
if (io.Status == STATUS_SUCCESS)
{
if (!report_id) io.Information++;
packet->reportId = buffer[0];
packet->reportBuffer = buffer;
packet->reportBufferLen = io.Information;
report = find_report_with_type_and_id( ext, HidP_Input, buffer[0], FALSE );
if (polled || (report && report->InputLength == io.Information))
if (!(report = find_report_with_type_and_id( ext, HidP_Input, buffer[0], FALSE )))
WARN( "dropping unknown input id %u\n", buffer[0] );
else if (!polled && io.Information < report->InputLength)
WARN( "dropping short report, len %u expected %u\n", (ULONG)io.Information, report->InputLength );
else
{
packet->reportId = buffer[0];
packet->reportBuffer = buffer;
packet->reportBufferLen = io.Information;
hid_device_queue_input( device, packet );
}
}
res = WaitForSingleObject(ext->u.pdo.halt_event, polled ? ext->u.pdo.poll_interval : 0);