[next] drivers/cdrom/gdrom.c:586:61: error: 'rq' undeclared (first use in this function)

[Naresh Kamboju]

Linux next tag 20210408 architecture sh builds failed due to these errors.

# to reproduce this build locally:

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=sh
CROSS_COMPILE=sh4-linux-gnu- 'CC=sccache sh4-linux-gnu-gcc'
'HOSTCC=sccache gcc'


In file included from /builds/linux/include/linux/scatterlist.h:9,
                 from /builds/linux/include/linux/dma-mapping.h:10,
                 from /builds/linux/drivers/cdrom/gdrom.c:16:
/builds/linux/drivers/cdrom/gdrom.c: In function 'gdrom_readdisk_dma':
/builds/linux/drivers/cdrom/gdrom.c:586:61: error: 'rq' undeclared
(first use in this function)
  586 |  __raw_writel(page_to_phys(bio_page(req->bio)) + bio_offset(rq->bio),
      |                                                             ^~

Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>

Regressions found on sh:
  - build/gcc-9-dreamcast_defconfig
  - build/gcc-10-dreamcast_defconfig
  - build/gcc-8-dreamcast_defconfig

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