linux-kernel - swim3.c:1200:38: error: 'FLOPPY_MAJOR' undeclared (first use in this function)

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Date:   Fri, 1 Oct 2021 16:19:58 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        linux-block <linux-block@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Jens Axboe <axboe@...nel.dk>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: swim3.c:1200:38: error: 'FLOPPY_MAJOR' undeclared (first use in this function)

Following build errors noticed while building Linux next 20211001
with gcc-11 for powerpc architecture.

kernel/sched/debug.c: In function 'print_cfs_group_stats':
kernel/sched/debug.c:460:41: warning: unused variable 'stats'
[-Wunused-variable]
  460 |                struct sched_statistics *stats =
__schedstats_from_se(se);
      |                                         ^~~~~
In file included from include/linux/blkdev.h:6,
                 from include/linux/blk-mq.h:5,
                 from drivers/block/swim3.c:24:
drivers/block/swim3.c: In function 'swim3_attach':
drivers/block/swim3.c:1200:38: error: 'FLOPPY_MAJOR' undeclared (first
use in this function)
 1200 |                 rc = register_blkdev(FLOPPY_MAJOR, "fd");
      |                                      ^~~~~~~~~~~~
include/linux/genhd.h:276:27: note: in definition of macro 'register_blkdev'
  276 |         __register_blkdev(major, name, NULL)
      |                           ^~~~~
drivers/block/swim3.c:1200:38: note: each undeclared identifier is
reported only once for each function it appears in
 1200 |                 rc = register_blkdev(FLOPPY_MAJOR, "fd");
      |                                      ^~~~~~~~~~~~
include/linux/genhd.h:276:27: note: in definition of macro 'register_blkdev'
  276 |         __register_blkdev(major, name, NULL)
      |                           ^~~~~
make[3]: *** [scripts/Makefile.build:288: drivers/block/swim3.o] Error 1
make[3]: Target '__build' not remade because of errors.
make[2]: *** [scripts/Makefile.build:571: drivers/block] Error 2
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:2034: drivers] Error 2

Build config:
https://builds.tuxbuild.com/1ytcB62L9I617oV0cveJtUhcpUu/config

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

meta data:
-----------
    git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
    git_sha: a25006a77348ba06c7bc96520d331cd9dd370715
    git_short_log: a25006a77348 (\"Add linux-next specific files for 20211001\")
    kconfig:  ppc6xx_defconfig
    kernel_version: 5.15.0-rc3
    target_arch: powerpc
    toolchain: gcc-11

steps to reproduce:
https://builds.tuxbuild.com/1ytcB62L9I617oV0cveJtUhcpUu/tuxmake_reproducer.sh

--
Linaro LKFT
https://lkft.linaro.org