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SubjectRe: linux-next: build warnings after merge of the wireless-drivers-next tree
Date
Stephen Rothwell <sfr@canb.auug.org.au> writes:

> Hi all,
>
> 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 take it that -Wimplict-fallthrough is not enabled by default yet? So
Dave and Linus won't see these warnings?

What I'm planning is to send a pull request to Dave today and fix these
warnings in the next pull request. Does that sound good?

--
Kalle Valo

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