Re: [PATCH 2/5] staging: media: av7110: Fix various whitespace checkpatch errors

From: Joe Perches
Date: Mon Oct 23 2023 - 11:25:09 EST


On Mon, 2023-10-23 at 17:26 +0300, Dan Carpenter wrote:
> On Sat, Oct 21, 2023 at 01:23:29AM +0200, Jonathan Bergh wrote:
[]
> > diff --git a/drivers/staging/media/av7110/av7110_av.c b/drivers/staging/media/av7110/av7110_av.c
[]
> > @@ -241,8 +241,8 @@ int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
> > sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
> > sync |= DVB_RINGBUFFER_PEEK(buf, 3);
> >
> > - if (((sync &~ 0x0f) == 0x000001e0) ||
> > - ((sync &~ 0x1f) == 0x000001c0) ||
> > + if (((sync &~0x0f) == 0x000001e0) ||
> > + ((sync &~0x1f) == 0x000001c0) ||
>
> These should be:
>
> if (((sync & ~0x0f) == 0x000001e0) ||
> ((sync & ~0x1f) == 0x000001c0) ||

Generally, I believe it would be better to avoid '& ~constant'
and use the positive form instead

if ((sync & 0xfffffff0) == 0x000001e0) ||
(sync & 0xffffffe0) == 0x000001c0)