Re: [PATCH] scsi/qla2xxx: label endian-ness for many fields

From: Michael S. Tsirkin
Date: Sat Dec 10 2016 - 21:06:06 EST


On Fri, Dec 09, 2016 at 09:49:28PM -0800, Joe Perches wrote:
> On Fri, 2016-12-09 at 22:45 +0200, Michael S. Tsirkin wrote:
> > This adds endian-ness labels for lots of qla structs.
> > Doing this cuts down number of sparse warnings from ~1700 to ~1400.
> > Will help find and resolve some of real issues down the road.
> >
> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> >
> > ---
> >
> > Compile-tested only.
> >
> > diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
> > index 73b12e4..a4d3071 100644
> > --- a/drivers/scsi/qla2xxx/qla_def.h
> > +++ b/drivers/scsi/qla2xxx/qla_def.h
> > @@ -1159,28 +1159,28 @@ typedef struct {
> > */
> > uint8_t firmware_options[2];
> >
> > - uint16_t frame_payload_size;
> > - uint16_t max_iocb_allocation;
> > - uint16_t execution_throttle;
> > + __le16 frame_payload_size;
> > + __le16 max_iocb_allocation;
> > + __le16 execution_throttle;
>
> Shouldn't all these _not_ have the leading __?

[linux]$ git grep le32 include/linux/|grep -v _le32|grep -v le32_
[linux]$


> Perhaps the uint8_t uses should be converted to u8 as well.
>
> [etc...]

Sure. It's up to maintainers to clean up this driver though. I merely
posted this to show that proper tagging of endian-ness is not hard.

--
MST