Re: linux-next: build warning after merge of the net-next tree

[Gustavo A. R. Silva]

Hi Stephen,

On 12/18/18 8:42 PM, Stephen Rothwell wrote:
> Hi all,
>
> On Thu, 29 Nov 2018 11:24:28 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > After merging the net-next tree, today's linux-next build
> > (x86_64_allmodconfig) produced this warning:
> >
> > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c: In function 'run_xdp':
> > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:324:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
> >     bpf_warn_invalid_xdp_action(xdp_act);
> >     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:325:2: note: here
> >    case XDP_ABORTED:
> >    ^~~~
> > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:326:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
> >     trace_xdp_exception(priv->net_dev, xdp_prog, xdp_act);
> >     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:327:2: note: here
> >    case XDP_DROP:
> >    ^~~~
> >
> > Introduced by commit
> >
> >    7e273a8ebdd3 ("dpaa2-eth: Add basic XDP support")
> >
> > This due to my use of -Wimplicit-fallthrough.  This is new code.  The
> > warning can be suppressed by adding a comment like /* fall through */
> > at the appropriate places to indicate that the fallthrough is intended.
>
> I am still seeing these warnings.

That's weird. I don't see them anymore in next-20181218.

They were fixed by this commit: c1cb11bcbd09f5f027cbc7fadddab169714948df

Thanks
--
Gustavo