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20:IkMB7uUgu3t0PO51A/+tgM47pPah3UW9rR793YwSsuM01muZf2JQsY24Z3BnZZxf5FdirYMlrO6uUZqi4JaKXa55bMPA/GR8tXuzym6NHWTWn0YWlOp1b7cwygCOwLY1Y3qeuJIK8Lhjm0k0JrwokOftIBIn/PlxUgoH8ixspRk= X-OriginatorOrg: sandisk.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 May 2017 00:34:26.7791 (UTC) X-MS-Exchange-CrossTenant-Id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=b61c8803-16f3-4c35-9b17-6f65f441df86; Ip=[63.163.107.21]; Helo=[milsmgep15.sandisk.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR04MB0365 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since the pktcdvd driver only supports request queues for which struct scsi_request is the first member of their private request data, refuse to register block layer queues for which struct scsi_request is not the first member of the private data. References: commit 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Bart Van Assche Cc: Jens Axboe Cc: Christoph Hellwig Cc: Omar Sandoval Cc: Hannes Reinecke Cc: linux-block@vger.kernel.org Reviewed-by: Hannes Reinecke --- drivers/block/pktcdvd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 205b865ebeb9..b8ce55d7911d 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2583,6 +2583,11 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev) bdev = bdget(dev); if (!bdev) return -ENOMEM; + if (!blk_queue_scsi_sup(bdev_get_queue(bdev))) { + WARN_ONCE(true, "Attempt to register a non-SCSI queue\n"); + bdput(bdev); + return -EINVAL; + } ret = blkdev_get(bdev, FMODE_READ | FMODE_NDELAY, NULL); if (ret) return ret;