On Mon, Oct 23, 2023 at 08:24:58AM -0700, Joe Perches wrote: > 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) > To me it depends on if the 0x0f means something. It would be better as a define instead of a magic number. regards, dan carpenter