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-rw-r--r--drivers/scsi/osd/osd_initiator.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index e88bbdde49c..771ab121acc 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -1218,17 +1218,18 @@ int osd_req_add_get_attr_page(struct osd_request *or,
or->get_attr.buff = attar_page;
or->get_attr.total_bytes = max_page_len;
- or->set_attr.buff = set_one_attr->val_ptr;
- or->set_attr.total_bytes = set_one_attr->len;
-
cdbh->attrs_page.get_attr_page = cpu_to_be32(page_id);
cdbh->attrs_page.get_attr_alloc_length = cpu_to_be32(max_page_len);
- /* ocdb->attrs_page.get_attr_offset; */
+
+ if (!set_one_attr || !set_one_attr->attr_page)
+ return 0; /* The set is optional */
+
+ or->set_attr.buff = set_one_attr->val_ptr;
+ or->set_attr.total_bytes = set_one_attr->len;
cdbh->attrs_page.set_attr_page = cpu_to_be32(set_one_attr->attr_page);
cdbh->attrs_page.set_attr_id = cpu_to_be32(set_one_attr->attr_id);
cdbh->attrs_page.set_attr_length = cpu_to_be32(set_one_attr->len);
- /* ocdb->attrs_page.set_attr_offset; */
return 0;
}
EXPORT_SYMBOL(osd_req_add_get_attr_page);
@@ -1248,11 +1249,14 @@ static int _osd_req_finalize_attr_page(struct osd_request *or)
if (ret)
return ret;
+ if (or->set_attr.total_bytes == 0)
+ return 0;
+
/* set one value */
cdbh->attrs_page.set_attr_offset =
osd_req_encode_offset(or, or->out.total_bytes, &out_padding);
- ret = _req_append_segment(or, out_padding, &or->enc_get_attr, NULL,
+ ret = _req_append_segment(or, out_padding, &or->set_attr, NULL,
&or->out);
return ret;
}