[2/3] hidclass.sys: Do not return failure when trying to set same ringbuffer size.

[Aric Stewart]

Signed-off-by: Aric Stewart <aric at codeweavers.com>

On 10/27/16 9:40 AM, Sebastian Lackner wrote:
> Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
> ---
>  dlls/hidclass.sys/buffer.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/dlls/hidclass.sys/buffer.c b/dlls/hidclass.sys/buffer.c
> index 894853d..14e83e4 100644
> --- a/dlls/hidclass.sys/buffer.c
> +++ b/dlls/hidclass.sys/buffer.c
> @@ -102,8 +102,10 @@ NTSTATUS RingBuffer_SetSize(struct ReportRingBuffer *ring, UINT size)
>      BYTE* new_buffer;
>      int i;
>  
> -    if (size < MIN_BUFFER_SIZE || size > MAX_BUFFER_SIZE || size == ring->size)
> +    if (size < MIN_BUFFER_SIZE || size > MAX_BUFFER_SIZE)
>          return STATUS_INVALID_PARAMETER;
> +    if (size == ring->size)
> +        return STATUS_SUCCESS;
>  
>      EnterCriticalSection(&ring->lock);
>      ring->start = ring->end = 0;
>