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From:   Damien Le Moal <Damien.LeMoal@wdc.com>
To:     Maxim Levitsky <mlevitsk@redhat.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC:     Keith Busch <kbusch@kernel.org>,
        Josef Bacik <josef@toxicpanda.com>,
        "open list:BLOCK LAYER" <linux-block@vger.kernel.org>,
        Sagi Grimberg <sagi@grimberg.me>, Jens Axboe <axboe@kernel.dk>,
        "open list:NVM EXPRESS DRIVER" <linux-nvme@lists.infradead.org>,
        "open list:SCSI CDROM DRIVER" <linux-scsi@vger.kernel.org>,
        Tejun Heo <tj@kernel.org>,
        Bart Van Assche <bvanassche@acm.org>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Jason Wang <jasowang@redhat.com>,
        Maxim Levitsky <maximlevitsky@gmail.com>,
        Stefan Hajnoczi <stefanha@redhat.com>,
        Colin Ian King <colin.king@canonical.com>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Ajay Joshi <Ajay.Joshi@wdc.com>,
        Ming Lei <ming.lei@redhat.com>,
        "open list:SONY MEMORYSTICK SUBSYSTEM" <linux-mmc@vger.kernel.org>,
        Christoph Hellwig <hch@lst.de>,
        Satya Tangirala <satyat@google.com>,
        "open list:NETWORK BLOCK DEVICE (NBD)" <nbd@other.debian.org>,
        Hou Tao <houtao1@huawei.com>, Jens Axboe <axboe@fb.com>,
        "open list:VIRTIO CORE AND NET DRIVERS" 
        <virtualization@lists.linux-foundation.org>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        Alex Dubov <oakad@yahoo.com>
Subject: Re: [PATCH 07/10] block: mspro_blk: use
 blk_is_valid_logical_block_size
Thread-Topic: [PATCH 07/10] block: mspro_blk: use
 blk_is_valid_logical_block_size
Thread-Index: AQHWX01oiDOVnfgGh0CC3FlT/QUR8w==
Date:   Tue, 21 Jul 2020 11:17:38 +0000
Message-ID: <CY4PR04MB375189EEABA0475AB9460DA0E7780@CY4PR04MB3751.namprd04.prod.outlook.com>
References: <20200721105239.8270-1-mlevitsk@redhat.com>
 <20200721105239.8270-8-mlevitsk@redhat.com>
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On 2020/07/21 19:55, Maxim Levitsky wrote:=0A=
> Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>=0A=
> ---=0A=
>  drivers/memstick/core/mspro_block.c | 6 ++++++=0A=
>  1 file changed, 6 insertions(+)=0A=
> =0A=
> diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/=
mspro_block.c=0A=
> index cd6b8d4f23350..86c9eb0aef512 100644=0A=
> --- a/drivers/memstick/core/mspro_block.c=0A=
> +++ b/drivers/memstick/core/mspro_block.c=0A=
> @@ -1199,6 +1199,12 @@ static int mspro_block_init_disk(struct memstick_d=
ev *card)=0A=
>  =0A=
>  	msb->page_size =3D be16_to_cpu(sys_info->unit_size);=0A=
>  =0A=
> +	if (!(blk_is_valid_logical_block_size(msb->page_size))) {=0A=
> +		dev_warn(&card->dev,=0A=
> +			 "unsupported block size %d", msb->page_size);=0A=
> +		return -EINVAL;=0A=
> +	}=0A=
> +=0A=
>  	mutex_lock(&mspro_block_disk_lock);=0A=
>  	disk_id =3D idr_alloc(&mspro_block_disk_idr, card, 0, 256, GFP_KERNEL);=
=0A=
>  	mutex_unlock(&mspro_block_disk_lock);=0A=
> =0A=
=0A=
Looks good to me.=0A=
=0A=
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>=0A=
=0A=
-- =0A=
Damien Le Moal=0A=
Western Digital Research=0A=