Hi Morimoto-san, On Mon, Sep 8, 2014 at 9:36 AM, Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxx> wrote: > > + buf8 = (u8 *)(buf + ((count - 1) >> 1)); >> >> The "-1" is not really needed. > > This -1 is needed. > > We want to have... > count - offset > 1 0 > 2 0 > 3 1 > 4 1 > ... If count is even, we never get that far, so the even numbers should not be present in your table above? If count is odd, "(count - 1) >> 1 == count >> 1". Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html