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conhost: Clear out_size in IOCTL_CONDRV_READ_CONSOLE implementation. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-10-01 15:08:50 +02:00 committed by Alexandre Julliard
parent 45b8489ba5
commit c9e1b789d2
1 changed files with 5 additions and 2 deletions
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7
programs/conhost/conhost.c
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@ -2425,6 +2425,8 @@ static NTSTATUS screen_buffer_ioctl( struct screen_buffer *screen_buffer, unsign
static NTSTATUS console_input_ioctl( struct console *console, unsigned int code, const void *in_data,
size_t in_size, size_t *out_size )
{
NTSTATUS status;
switch (code)
{
case IOCTL_CONDRV_GET_MODE:
@ -2446,12 +2448,13 @@ static NTSTATUS console_input_ioctl( struct console *console, unsigned int code,
case IOCTL_CONDRV_READ_CONSOLE:
if (in_size || *out_size % sizeof(WCHAR)) return STATUS_INVALID_PARAMETER;
ensure_tty_input_thread( console );
return read_console( console, *out_size );
status = read_console( console, *out_size );
*out_size = 0;
return status;
case IOCTL_CONDRV_READ_INPUT:
{
unsigned int blocking;
NTSTATUS status;
if (in_size && in_size != sizeof(blocking)) return STATUS_INVALID_PARAMETER;
ensure_tty_input_thread( console );
blocking = in_size && *(unsigned int *)in_data;