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authorJames Bottomley <James.Bottomley@steeleye.com>2006-12-01 11:25:12 -0600
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-12-03 09:26:48 -0600
commitc603d04ef6826a29f50cb151cb992f256d0cf19d (patch)
treeaa2dd677dde771b7b6d1b3149d359307f06c1e92 /drivers/scsi
parent46ddab7b1c7225269ad45d33fc39d0a385194360 (diff)
[SCSI] 53c700: brown paper bag fix for auto request sense
In the switch over, I forgot to set the command length, so it sends out a request sense with whatever length the prior command had (and fails badly if it wasn't 6). Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/53c700.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 562432d017b0..335a25540c08 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -622,8 +622,10 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata,
dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
/* restore the old result if the request sense was
* successful */
- if(result == 0)
+ if (result == 0)
result = cmnd[7];
+ /* restore the original length */
+ SCp->cmd_len = cmnd[8];
} else
NCR_700_unmap(hostdata, SCp, slot);
@@ -1007,6 +1009,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
* of the command */
cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
cmnd[7] = hostdata->status[0];
+ cmnd[8] = SCp->cmd_len;
+ SCp->cmd_len = 6; /* command length for
+ * REQUEST_SENSE */
slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE);
slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer));

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