Re: linux-next: build warnings after merge of the wireless-drivers-next tree
From: Kalle Valo
Date: Wed Dec 19 2018 - 07:41:00 EST
"Grumbach, Emmanuel" <emmanuel.grumbach@xxxxxxxxx> writes:
>>
>> 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.
I see it thanks:
https://patchwork.kernel.org/patch/10736967/
I'll try to get it to tomorrow's linux-next build.
--
Kalle Valo