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-rw-r--r--drivers/scsi/osd/osd_initiator.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index f61ab84ad20..1ce6b24abab 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -263,7 +263,12 @@ static int _osd_req_alist_elem_decode(struct osd_request *or,
oa->attr_page = be32_to_cpu(attr->attr_page);
oa->attr_id = be32_to_cpu(attr->attr_id);
- oa->val_ptr = attr->attr_val;
+ /* OSD2: For convenience, on empty attributes, we return 8 bytes
+ * of zeros here. This keeps the same behaviour with OSD2r04,
+ * and is nice with null terminating ASCII fields.
+ * oa->val_ptr == NULL marks the end-of-list, or error.
+ */
+ oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved;
}
return inc;
}