From 6c71dcb28ff9b63b814a0b76a256f5dae08d3e0d Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Wed, 2 Dec 2009 14:28:48 -0600 Subject: [PATCH] [SCSI] scsi_dh_emc: fix mode select request setup This patch fixes the request setup code for mode selects. I got the fixes from Hannes Reinecke while trying to hunt down some problems and merged it into one patch. I am sending it because Hannes is busy with other things. The patch fixes: - setting of the length for mode selects. - setting of the data direction for mode select 10. Signed-off-by: Hannes Reinecke Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/device_handler/scsi_dh_emc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c index 61966750..63032ec3 100644 --- a/drivers/scsi/device_handler/scsi_dh_emc.c +++ b/drivers/scsi/device_handler/scsi_dh_emc.c @@ -272,7 +272,7 @@ static struct request *get_req(struct scsi_device *sdev, int cmd, int len = 0; rq = blk_get_request(sdev->request_queue, - (cmd == MODE_SELECT) ? WRITE : READ, GFP_NOIO); + (cmd != INQUIRY) ? WRITE : READ, GFP_NOIO); if (!rq) { sdev_printk(KERN_INFO, sdev, "get_req: blk_get_request failed"); return NULL; @@ -286,14 +286,17 @@ static struct request *get_req(struct scsi_device *sdev, int cmd, len = sizeof(short_trespass); rq->cmd_flags |= REQ_RW; rq->cmd[1] = 0x10; + rq->cmd[4] = len; break; case MODE_SELECT_10: len = sizeof(long_trespass); rq->cmd_flags |= REQ_RW; rq->cmd[1] = 0x10; + rq->cmd[8] = len; break; case INQUIRY: len = CLARIION_BUFFER_SIZE; + rq->cmd[4] = len; memset(buffer, 0, len); break; default: @@ -301,7 +304,6 @@ static struct request *get_req(struct scsi_device *sdev, int cmd, break; } - rq->cmd[4] = len; rq->cmd_type = REQ_TYPE_BLOCK_PC; rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER; -- 2.7.4