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

From: Andy Shevchenko
Date: Mon Jun 27 2016 - 08:13:19 EST


On Mon, 2016-06-27 at 05:08 -0700, Joe Perches wrote:
> 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,
> > > > Â buff += ETH_GSTRING_LEN;
> > > > Â if (node < DSAF_SERVICE_NW_NUM && !is_ver1) {
> > > > Â for (i = 0; i < DSAF_PRIO_NR; i++) {
> > > > - snprintf(buff, ETH_GSTRING_LEN,
> > > > - Â"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,
> > > > - Â"onod%d_pfc_prio%d_pkts",
> > > > node,
> > > > i);
> > > > + snprintf(buff + 0 * ETH_GSTRING_LEN *
> > > > DSAF_PRIO_NR,
> > > > + ÂETH_GSTRING_LEN,
> > > > "inod%d_pfc_prio%d_pkts",
> > > > + Ânode, i);
> > > > + snprintf(buff + 1 * ETH_GSTRING_LEN *
> > > > DSAF_PRIO_NR,
> > > > + ÂETH_GSTRING_LEN,
> > > > "onod%d_pfc_prio%d_pkts",
> > > > + Ânode, i);
> > > > Â 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.

I don't see how.

> Is a bug fix or a style fix?
>
> If it's a bug fix, then it should likely be added
> to the stable trees.

I doubt it's a bug fix.

--

Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy