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

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On 4/8/21 22:21, Naresh Kamboju wrote:
> 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
>
> --
> Linaro LKFT
> https://lkft.linaro.org
>

This can be fixed by following :-

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index e7717d090868..742b4a0932e3 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -583,7 +583,7 @@ static blk_status_t gdrom_readdisk_dma(struct
request *req)
        read_command->cmd[1] = 0x20;
        block = blk_rq_pos(req)/GD_TO_BLK + GD_SESSION_OFFSET;
        block_cnt = blk_rq_sectors(req)/GD_TO_BLK;
-       __raw_writel(page_to_phys(bio_page(req->bio)) + bio_offset(rq->bio),
+       __raw_writel(page_to_phys(bio_page(req->bio)) +
bio_offset(req->bio),
                        GDROM_DMA_STARTADDR_REG);
        __raw_writel(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);
        __raw_writel(1, GDROM_DMA_DIRECTION_REG);




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