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

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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 <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Roland Dreier 2005-04-16 15:26:11 -07:00 committed by Linus Torvalds
parent 20aa65699c
commit 0df3bb131f
1 changed files with 8 additions and 6 deletions
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14
drivers/infiniband/core/user_mad.c
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@ -389,15 +389,17 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, unsigned long arg)
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;