[PATCH] hid: Fix usage value mask

[Aric Stewart]

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

On 5/20/19 10:31 AM, Andrew Eikum wrote:
> Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47223
> Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
> ---
>   dlls/hid/hidp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/dlls/hid/hidp.c b/dlls/hid/hidp.c
> index 8c046703b40..c780dbe2d30 100644
> --- a/dlls/hid/hidp.c
> +++ b/dlls/hid/hidp.c
> @@ -64,7 +64,7 @@ static NTSTATUS get_report_data(BYTE *report, INT reportLength, INT startBit, IN
>               if (remaining_bits < copy_bits)
>                   copy_bits = remaining_bits;
>   
> -            data |= ((report[byte_index] >> bit_index) & ((2 << copy_bits) - 1)) << shift;
> +            data |= ((report[byte_index] >> bit_index) & ((1 << copy_bits) - 1)) << shift;
>   
>               shift += copy_bits;
>               bit_index = 0;
>