[SCSI] aacraid: Fix read capacity 16 return data

Received from Mark Salyzyn.

The return data from a read capacity 16 needs to have RTO_EN and PROT_EN
zeroed out.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 2a128a156aa194470b5293217d5ba86269d09415..7139659dd952e4cf36eb971c8491a5dcd4b42136 100644 (file)
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1579,18 +1579,10 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                        break;
        {
                u64 capacity;
-               char cp[12];
-               unsigned int offset = 0;
+               char cp[13];
 
                dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
                capacity = fsa_dev_ptr[cid].size - 1;
-               if (scsicmd->cmnd[13] > 12) {
-                       offset = scsicmd->cmnd[13] - 12;
-                       if (offset > sizeof(cp))
-                               break;
-                       memset(cp, 0, offset);
-                       aac_internal_transfer(scsicmd, cp, 0, offset);
-               }
                cp[0] = (capacity >> 56) & 0xff;
                cp[1] = (capacity >> 48) & 0xff;
                cp[2] = (capacity >> 40) & 0xff;
@@ -1603,7 +1595,18 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                cp[9] = 0;
                cp[10] = 2;
                cp[11] = 0;
-               aac_internal_transfer(scsicmd, cp, offset, sizeof(cp));
+               cp[12] = 0;
+               aac_internal_transfer(scsicmd, cp, 0,
+                 min((unsigned int)scsicmd->cmnd[13], sizeof(cp)));
+               if (sizeof(cp) < scsicmd->cmnd[13]) {
+                       unsigned int len, offset = sizeof(cp);
+
+                       memset(cp, 0, offset);
+                       do {
+                               len = min(scsicmd->cmnd[13]-offset, sizeof(cp));
+                               aac_internal_transfer(scsicmd, cp, offset, len);
+                       } while ((offset += len) < scsicmd->cmnd[13]);
+               }
 
                /* Do not cache partition table for arrays */
                scsicmd->device->removable = 1;