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20:D+xtGjmDtKW5HvPr7HBtOlFpw+pEFVtIaAKaMBrXK6MKDgCEd4Uag22EOWA/rAE0NU8yXVWPctZC7M/qPiCXHmC6IZlueMTnAitcXBA8p+slG3ndE/RD3aLdXUgUva9hJrJtEXLWFRqaYAwmesLb5JMpXSXZYd5I2L15t9mf2lM= X-OriginatorOrg: sandisk.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 May 2017 18:43:33.1266 (UTC) X-MS-Exchange-CrossTenant-Id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=b61c8803-16f3-4c35-9b17-6f65f441df86; Ip=[63.163.107.225]; Helo=[milsmgep14.sandisk.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR04MB0365 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@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 Reviewed-by: Hannes Reinecke Cc: Jens Axboe Cc: Christoph Hellwig Cc: Omar Sandoval Cc: linux-block@vger.kernel.org Reviewed-by: Christoph Hellwig --- drivers/block/pktcdvd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 205b865ebeb9..1404c1c01fd0 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_pdu(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;