[SCSI] stex: fix controller_info command handling

This command needs information from both firmware and driver. First copy
information from firmware to buffer, then fill in driver information.

Signed-off-by: Ed Lin <ed.lin@promise.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 91d484c..ea0d824 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -507,6 +507,7 @@
 	size_t count = sizeof(struct st_frame);
 
 	p = hba->copy_buffer;
+	stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD);
 	memset(p->base, 0, sizeof(u32)*6);
 	*(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0);
 	p->rom_addr = 0;