The changes in "block: Make most scsi_req_init() calls implicit" mean
that every driver that supports the generic scsi ioctls needs to
call scsi_req_init on newly allocated requests, but that commit didn't
add the call to the ccіss driver. Fix that to avoid crashes when
udev issues SG_IO commands.
Fixes: ca18d6f7 ("block: Make most scsi_req_init() calls implicit")
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reported-by: Meelis Roos <mroos@xxxxxxxx>
---
drivers/block/cciss.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 02a611993bb4..678af946be30 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1944,6 +1944,13 @@ static void cciss_get_serial_no(ctlr_info_t *h, int logvol,
return;
}
+static void cciss_initialize_rq(struct request *rq)
+{
+ struct scsi_request *sreq = blk_mq_rq_to_pdu(rq);
+
+ scsi_req_init(sreq);
+}
+
/*
* cciss_add_disk sets up the block device queue for a logical drive
*/
@@ -1956,6 +1963,7 @@ static int cciss_add_disk(ctlr_info_t *h, struct gendisk *disk,
disk->queue->cmd_size = sizeof(struct scsi_request);
disk->queue->request_fn = do_cciss_request;
+ disk->queue->initialize_rq_fn = cciss_initialize_rq;
disk->queue->queue_lock = &h->lock;
queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, disk->queue);
if (blk_init_allocated_queue(disk->queue) < 0)
--
2.11.0
