Re: [PATCH net-next 6/9] net: hns: normalize two different loop

[Joe Perches]

On Mon, 2016-06-27 at 15:00 +0300, Andy Shevchenko wrote:
> On Mon, 2016-06-27 at 04:49 -0700, Joe Perches wrote:
> > 
> > On Mon, 2016-06-27 at 17:54 +0800, Yisen Zhuang wrote:
> > > 
> > > From: Daode Huang <huangdaode@xxxxxxxxxxxxx>
> > > 
> > > There are two approaches to assign data, one does 2 loops, another
> > > does 1 loop. This patch normalize the different methods to 1 loop.
> > []
> > > 
> > > diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
> > > b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
> > []
> > > 
> > > @@ -2567,15 +2567,15 @@ static char
> > > *hns_dsaf_get_node_stats_strings(char *data, int node,
> > >  	buff += ETH_GSTRING_LEN;
> > >  	if (node < DSAF_SERVICE_NW_NUM && !is_ver1) {
> > >  		for (i = 0; i < DSAF_PRIO_NR; i++) {
> > > -			snprintf(buff, ETH_GSTRING_LEN,
> > > -				 "inod%d_pfc_prio%d_pkts", node,
> > > i);
> > > -			buff += ETH_GSTRING_LEN;
> > > -		}
> > > -		for (i = 0; i < DSAF_PRIO_NR; i++) {
> > > -			snprintf(buff, ETH_GSTRING_LEN,
> > > -				 "onod%d_pfc_prio%d_pkts", node,
> > > i);
> > > +			snprintf(buff + 0 * ETH_GSTRING_LEN *
> > > DSAF_PRIO_NR,
> > > +				 ETH_GSTRING_LEN,
> > > "inod%d_pfc_prio%d_pkts",
> > > +				 node, i);
> > > +			snprintf(buff + 1 * ETH_GSTRING_LEN *
> > > DSAF_PRIO_NR,
> > > +				 ETH_GSTRING_LEN,
> > > "onod%d_pfc_prio%d_pkts",
> > > +				 node, i);
> > >  			buff += ETH_GSTRING_LEN;
> > This looks odd and likely incorrect.
> Why? the idea is to print stats for Rx and Tx at once.
> 
> I hope it was tested.

It changes the order of the strings in buff.
Is a bug fix or a style fix?

If it's a bug fix, then it should likely be added
to the stable trees.