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[PATCH] IB/sa_query: avoid unnecessary list scan

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Using ib_get_client_data in SA event handler performs a list scan.
It's better to use container_of to get the sa device directly.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael S. Tsirkin 2005-09-01 09:19:44 -07:00 committed by Roland Dreier
parent 06c56e44f3
commit 1d6801f9dd
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/core/sa_query.c
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@ -431,8 +431,8 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
event->event == IB_EVENT_LID_CHANGE ||
event->event == IB_EVENT_PKEY_CHANGE ||
event->event == IB_EVENT_SM_CHANGE) {
struct ib_sa_device *sa_dev =
ib_get_client_data(event->device, &sa_client);
struct ib_sa_device *sa_dev;
sa_dev = container_of(handler, typeof(*sa_dev), event_handler);
schedule_work(&sa_dev->port[event->element.port_num -
sa_dev->start_port].update_task);