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Date:   Wed, 19 Dec 2018 13:47:38 +1100
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Kalle Valo <kvalo@codeaurora.org>,
        Wireless <linux-wireless@vger.kernel.org>
Cc:     Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Sara Sharon <sara.sharon@intel.com>,
        Luca Coelho <luciano.coelho@intel.com>,
        Kees Cook <keescook@google.com>,
        "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        David Miller <davem@davemloft.net>,
        Networking <netdev@vger.kernel.org>
Subject: Re: linux-next: build warnings after merge of the
 wireless-drivers-next tree
Message-ID: <20181219134738.4efed34f@canb.auug.org.au>
In-Reply-To: <20181130120555.1d35eb6b@canb.auug.org.au>
References: <20181130120555.1d35eb6b@canb.auug.org.au>
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Hi all,

On Fri, 30 Nov 2018 12:05:55 +1100 Stephen Rothwell <sfr@canb.auug.org.au> =
wrote:
>
> After merging the wireless-drivers-next tree, today's linux-next build
> (x86_64 allmodconfig) produced these warnings:
>=20
> 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 statem=
ent may fall through [-Wimplicit-fallthrough=3D]
>     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 sta=
tement may fall through [-Wimplicit-fallthrough=3D]
>     iwl_fw_dbg_copy_tlv(trans, tlv, true);
>     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:204:3: note: here
>    default:
>    ^~~~~~~
>=20
> Introduced by commit
>=20
>   f14cda6f3b31 ("iwlwifi: trans: parse and store debug ini TLVs")
>=20
> These are noted because I use -Wimplict-fallthrough
>=20
> 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.

--=20
Cheers,
Stephen Rothwell

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