Subject: linux-next: build warning after merge of the scsi-mkp tree

From: Stephen Rothwell <[email-masked]>
Date: Mon, 2 Mar 2020 13:35:43 +1100

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")

-- 
Cheers,
Stephen Rothwell