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Subject: Re: linux-next: build warning after merge of the scsi-mkp tree
To:     Stephen Rothwell <sfr@canb.auug.org.au>,
        "Martin K. Petersen" <martin.petersen@oracle.com>
Cc:     Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
References: <20200302133543.7052d654@canb.auug.org.au>
From:   Brian King <brking@linux.vnet.ibm.com>
Message-ID: <5bff0f26-3b20-e240-e1b4-65af411a3a56@linux.vnet.ibm.com>
Date:   Mon, 2 Mar 2020 08:36:20 -0600
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On 3/1/20 8:35 PM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the scsi-mkp tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> In file included from include/uapi/linux/posix_types.h:5,
>                  from include/uapi/linux/types.h:14,
>                  from include/linux/types.h:6,
>                  from include/linux/list.h:5,
>                  from include/linux/module.h:12,
>                  from drivers/scsi/ibmvscsi/ibmvfc.c:10:
> drivers/scsi/ibmvscsi/ibmvfc.c: In function 'ibmvfc_tgt_implicit_logout_and_del':
> include/linux/stddef.h:8:14: warning: 'return' with a value, in function returning void [-Wreturn-type]
>     8 | #define NULL ((void *)0)
>       |              ^
> drivers/scsi/ibmvscsi/ibmvfc.c:3644:10: note: in expansion of macro 'NULL'
>  3644 |   return NULL;
>       |          ^~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:3638:13: note: declared here
>  3638 | static void ibmvfc_tgt_implicit_logout_and_del(struct ibmvfc_target *tgt)
>       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   54b04c99d02e ("scsi: ibmvfc: Avoid loss of all paths during SVC node reboot")
> 

Thanks. I'll send the one line fix.

-- 
Brian King
Power Linux I/O
IBM Linux Technology Center