tree 1fa7310737e35cacc6b23a0716861ecc142099bd
parent 4147ea7bf00c1c0fa2c6eab4ca35a56bdaa96e03
author Roland Dreier <[EMAIL PROTECTED]> Tue Apr 12 08:26:38 2005
committer Linus Torvalds <[EMAIL PROTECTED]> Tue Apr 12 08:26:38 2005

[PATCH] IB: Fix user MAD registrations with class 0

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]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>

 user_mad.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

Index: drivers/infiniband/core/user_mad.c
===================================================================
--- 5148edd3438b1bdcdc5bff6751e91799f3217321/drivers/infiniband/core/user_mad.c 
 (mode:100644 sha1:36bf9cf938de5bee4c30caeaca639a975e69421a)
+++ 1fa7310737e35cacc6b23a0716861ecc142099bd/drivers/infiniband/core/user_mad.c 
 (mode:100644 sha1:6a04dd62e3d287e6d042bc786639bf68ab9a697c)
@@ -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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