Fix handling of MAD agent registrations with mgmt_class == 0. In this
case ib_umad should pass a NULL registration request to the MAD core
rather than a request with mgmt_class set to 0.
Signed-off-by: Roland Dreier <[email protected]>
--- linux-export.orig/drivers/infiniband/core/user_mad.c 2005-03-31 19:06:42.000000000 -0800
+++ linux-export/drivers/infiniband/core/user_mad.c 2005-04-01 10:09:01.250588043 -0800
@@ -389,15 +389,17 @@
goto out;
found:
- req.mgmt_class = ureq.mgmt_class;
- req.mgmt_class_version = ureq.mgmt_class_version;
- memcpy(req.method_mask, ureq.method_mask, sizeof req.method_mask);
- memcpy(req.oui, ureq.oui, sizeof req.oui);
+ if (ureq.mgmt_class) {
+ req.mgmt_class = ureq.mgmt_class;
+ req.mgmt_class_version = ureq.mgmt_class_version;
+ memcpy(req.method_mask, ureq.method_mask, sizeof req.method_mask);
+ memcpy(req.oui, ureq.oui, sizeof req.oui);
+ }
agent = ib_register_mad_agent(file->port->ib_dev, file->port->port_num,
ureq.qpn ? IB_QPT_GSI : IB_QPT_SMI,
- &req, 0, send_handler, recv_handler,
- file);
+ ureq.mgmt_class ? &req : NULL,
+ 0, send_handler, recv_handler, file);
if (IS_ERR(agent)) {
ret = PTR_ERR(agent);
goto out;
-
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