RE: linux-next: build warnings after merge of the wireless-drivers-next tree

From: Grumbach, Emmanuel
Date: Wed Dec 19 2018 - 03:32:01 EST


>
> Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> writes:
>
> > On Fri, 30 Nov 2018 12:05:55 +1100 Stephen Rothwell
> <sfr@xxxxxxxxxxxxxxxx> wrote:
> >>
> >> After merging the wireless-drivers-next tree, today's linux-next
> >> build
> >> (x86_64 allmodconfig) produced these warnings:
> >>
> >> drivers/net/wireless/intel/iwlwifi/iwl-drv.c: In function
> 'iwl_parse_tlv_firmware':
> >> drivers/net/wireless/intel/iwlwifi/iwl-drv.c:1098:7: warning: this
> statement may fall through [-Wimplicit-fallthrough=]
> >> if (iwlwifi_mod_params.enable_ini)
> >> ^
> >> drivers/net/wireless/intel/iwlwifi/iwl-drv.c:1100:3: note: here
> >> default:
> >> ^~~~~~~
> >> drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c: In function
> 'iwl_parse_fw_dbg_tlv':
> >> drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:203:4: warning: this
> statement may fall through [-Wimplicit-fallthrough=]
> >> iwl_fw_dbg_copy_tlv(trans, tlv, true);
> >> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:204:3: note: here
> >> default:
> >> ^~~~~~~
> >>
> >> Introduced by commit
> >>
> >> f14cda6f3b31 ("iwlwifi: trans: parse and store debug ini TLVs")
> >>
> >> These are noted because I use -Wimplict-fallthrough
> >>
> >> The warnings can be suppressed by adding a comment like
> >> /* fall through */
> >> at the appropriate place to indicate that the fallthough is intended.
> >
> > I am still seeing these warnings (but in the net-next tree now) and I
> > do not see a fix patch in the wireless-drivers-next tree.
>
> Luca did submit a patch[1] for cfg80211 to fix those but I don't see any
> patches for iwlwifi (even in the one pending pull request he sent), not sure
> what happened. I know that Luca is already on holidays but adding
> Emmanuel, maybe he can help here?
>

Just sent a patch.