[PATCH 05/18] Fix 64bit arch issue in synaptics eventcomm.c
Peter Hutterer
peter.hutterer at who-t.net
Mon Oct 11 22:38:24 PDT 2010
On Fri, Oct 08, 2010 at 07:22:29PM +0200, Takashi Iwai wrote:
> Signed-off-by: Takashi Iwai <tiwai at suse.de>
> ---
> src/eventcomm.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/src/eventcomm.c b/src/eventcomm.c
> index 1fc41ef..8a77788 100644
> --- a/src/eventcomm.c
> +++ b/src/eventcomm.c
> @@ -49,7 +49,7 @@
> #define NBITS(x) (((x) + LONG_BITS - 1) / LONG_BITS)
> #define OFF(x) ((x) % LONG_BITS)
> #define LONG(x) ((x) / LONG_BITS)
> -#define TEST_BIT(bit, array) (array[LONG(bit)] & (1 << OFF(bit)))
> +#define TEST_BIT(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
>
> #define SYNAPTICS_LED_SYS_FILE "/sys/class/leds/psmouse::synaptics/brightness"
>
> --
> 1.7.3.1
I'd prefer the (1UL << OFF(bit)) notation with a != 0, but either way.
Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>
Please add the explanation in your first reply to Mark to the commit message
though.
Cheers,
Peter
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