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-rw-r--r--drivers/scsi/aacraid/aachba.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index c05092fd3a9d..b9fc9b1dde67 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -2047,6 +2047,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
{
u64 capacity;
char cp[13];
+ unsigned int alloc_len;
dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
capacity = fsa_dev_ptr[cid].size - 1;
@@ -2063,18 +2064,17 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
cp[10] = 2;
cp[11] = 0;
cp[12] = 0;
- aac_internal_transfer(scsicmd, cp, 0,
- min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
- if (sizeof(cp) < scsicmd->cmnd[13]) {
- unsigned int len, offset = sizeof(cp);
- memset(cp, 0, offset);
- do {
- len = min_t(size_t, scsicmd->cmnd[13] - offset,
- sizeof(cp));
- aac_internal_transfer(scsicmd, cp, offset, len);
- } while ((offset += len) < scsicmd->cmnd[13]);
- }
+ alloc_len = ((scsicmd->cmnd[10] << 24)
+ + (scsicmd->cmnd[11] << 16)
+ + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
+
+ alloc_len = min_t(size_t, alloc_len, sizeof(cp));
+ aac_internal_transfer(scsicmd, cp, 0, alloc_len);
+
+ if (alloc_len < scsi_bufflen(scsicmd))
+ scsi_set_resid(scsicmd,
+ scsi_bufflen(scsicmd) - alloc_len);
/* Do not cache partition table for arrays */
scsicmd->device->removable = 1;