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From:   Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>
To:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        "lkft-triage@lists.linaro.org" <lkft-triage@lists.linaro.org>,
        Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
        linux-block <linux-block@vger.kernel.org>
CC:     Johannes Thumshirn <Johannes.Thumshirn@wdc.com>,
        Hannes Reinecke <hare@suse.de>,
        Damien Le Moal <Damien.LeMoal@wdc.com>
Subject: Re: [next] drivers/cdrom/gdrom.c:586:61: error: 'rq' undeclared
 (first use in this function)
Thread-Topic: [next] drivers/cdrom/gdrom.c:586:61: error: 'rq' undeclared
 (first use in this function)
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Date:   Fri, 9 Apr 2021 05:31:02 +0000
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On 4/8/21 22:21, Naresh Kamboju wrote:=0A=
> Linux next tag 20210408 architecture sh builds failed due to these errors=
.=0A=
>=0A=
> # to reproduce this build locally:=0A=
>=0A=
> make --silent --keep-going --jobs=3D8=0A=
> O=3D/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=3Dsh=0A=
> CROSS_COMPILE=3Dsh4-linux-gnu- 'CC=3Dsccache sh4-linux-gnu-gcc'=0A=
> 'HOSTCC=3Dsccache gcc'=0A=
>=0A=
>=0A=
> In file included from /builds/linux/include/linux/scatterlist.h:9,=0A=
>                  from /builds/linux/include/linux/dma-mapping.h:10,=0A=
>                  from /builds/linux/drivers/cdrom/gdrom.c:16:=0A=
> /builds/linux/drivers/cdrom/gdrom.c: In function 'gdrom_readdisk_dma':=0A=
> /builds/linux/drivers/cdrom/gdrom.c:586:61: error: 'rq' undeclared=0A=
> (first use in this function)=0A=
>   586 |  __raw_writel(page_to_phys(bio_page(req->bio)) + bio_offset(rq->b=
io),=0A=
>       |                                                             ^~=0A=
>=0A=
> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>=0A=
>=0A=
> Regressions found on sh:=0A=
>   - build/gcc-9-dreamcast_defconfig=0A=
>   - build/gcc-10-dreamcast_defconfig=0A=
>   - build/gcc-8-dreamcast_defconfig=0A=
>=0A=
> --=0A=
> Linaro LKFT=0A=
> https://lkft.linaro.org=0A=
>=0A=
=0A=
This can be fixed by following :-=0A=
=0A=
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c=0A=
index e7717d090868..742b4a0932e3 100644=0A=
--- a/drivers/cdrom/gdrom.c=0A=
+++ b/drivers/cdrom/gdrom.c=0A=
@@ -583,7 +583,7 @@ static blk_status_t gdrom_readdisk_dma(struct=0A=
request *req)=0A=
        read_command->cmd[1] =3D 0x20;=0A=
        block =3D blk_rq_pos(req)/GD_TO_BLK + GD_SESSION_OFFSET;=0A=
        block_cnt =3D blk_rq_sectors(req)/GD_TO_BLK;=0A=
-       __raw_writel(page_to_phys(bio_page(req->bio)) + bio_offset(rq->bio)=
,=0A=
+       __raw_writel(page_to_phys(bio_page(req->bio)) +=0A=
bio_offset(req->bio),=0A=
                        GDROM_DMA_STARTADDR_REG);=0A=
        __raw_writel(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);=
=0A=
        __raw_writel(1, GDROM_DMA_DIRECTION_REG);=0A=