linux-kernel - Re: linux-next: build failure after merge of the cifs tree

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Date:   Tue, 8 Jun 2021 08:16:14 -0500
From:   Steve French <smfrench@...il.com>
To:     Hyunchul Lee <hyc.lee@...il.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Namjae Jeon <namjae.jeon@...sung.com>,
        Namjae Jeon <linkinjeon@...nel.org>,
        CIFS <linux-cifs@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the cifs tree

I will back out your patch to cifs.ko

On Tue, Jun 8, 2021 at 5:53 AM Hyunchul Lee <hyc.lee@...il.com> wrote:
>
> Hello,
>
> 2021년 6월 8일 (화) 오후 7:27, Stephen Rothwell <sfr@...b.auug.org.au>님이 작성:
> >
> > Hi all,
> >
> > After merging the cifs tree, today's linux-next build (powerpc
> > allyesconfig) failed like this:
> >
> > ld: fs/cifsd/spnego_negtokeninit.asn1.o:(.rodata.spnego_negtokeninit_decoder+0x0): multiple definition of `spnego_negtokeninit_decoder'; fs/cifs/spnego_negtoken
> > init.asn1.o:(.rodata.spnego_negtokeninit_decoder+0x0): first defined here
> > ld: fs/cifsd/asn1.o:(.opd+0xa8): multiple definition of `gssapi_this_mech'; fs/cifs/asn1.o:(.opd+0x18): first defined here
> > ld: fs/cifsd/asn1.o: in function `.gssapi_this_mech':
> > asn1.c:(.text.gssapi_this_mech+0x0): multiple definition of `.gssapi_this_mech'; fs/cifs/asn1.o:asn1.c:(.text.gssapi_this_mech+0x0): first defined here
> > ld: fs/cifsd/asn1.o:(.opd+0xc0): multiple definition of `neg_token_init_mech_type'; fs/cifs/asn1.o:(.opd+0x30): first defined here
> > ld: fs/cifsd/asn1.o: in function `.neg_token_init_mech_type':
> > asn1.c:(.text.neg_token_init_mech_type+0x0): multiple definition of `.neg_token_init_mech_type'; fs/cifs/asn1.o:asn1.c:(.text.neg_token_init_mech_type+0x0): first defined here
> >
> > Caused by commit
> >
> >   4a957ba6daf6 ("cifs: decoding negTokenInit with generic ASN1 decoder")
>
> I missed functions and structures generated from the ASN1 compiler
> aren't static.
>
> Steve, and Namjae,
> We need to rename *.asn1 files and decoder's callback functions. Is it better
> to change cifs's code?
>
> Thanks,
> Hyunchul
>
> >
> > interacting with commit
> >
> >   fad4161b5cd0 ("cifsd: decoding gss token using lib/asn1_decoder.c")
> >
> > from the cifsd tree.
> >
> > I have reverted that cifs tree commit for today.
> >
> > --
> > Cheers,
> > Stephen Rothwell



-- 
Thanks,

Steve