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IB/core: Verify that QP handler is valid before dispatching events 

For QPs of type IB_QPT_XRC_TGT the IB core assigns a common event
handler __ib_shared_qp_event_handler(), and the optionally supplied
event handler is stored. When the common handler is called it iterates
on all opened QPs and calles the original handlers without checking if
they are NULL.  Fix that.

Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
hifive-unleashed-5.1
Shlomo Pongratz 2013-04-10 14:26:46 +00:00 committed by Roland Dreier
parent 41ef2d5678
commit eec9e29fc5
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/core/verbs.c
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@ -348,7 +348,8 @@ static void __ib_shared_qp_event_handler(struct ib_event *event, void *context)
struct ib_qp *qp = context;
list_for_each_entry(event->element.qp, &qp->open_list, open_list)
event->element.qp->event_handler(event, event->element.qp->qp_context);
if (event->element.qp->event_handler)
event->element.qp->event_handler(event, event->element.qp->qp_context);
}
static void __ib_insert_xrcd_qp(struct ib_xrcd *xrcd, struct ib_qp *qp)