From: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Date: Fri, 11 May 2012 19:29:32 +0000 (-0500)
Subject: RDMA/nes: Don't call event handler if pointer is NULL
X-Git-Tag: upstream/snapshot3+hdmi~7465^2^7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=784d135f967849cb51c7e8d0c5230734f893331c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

RDMA/nes: Don't call event handler if pointer is NULL

Don't call the ibqp event_handler pointer in the case it wasn't initialized.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Donald Wood <Donald.E.Wood@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 5c10cbf..020e95c 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -2884,7 +2884,8 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
 			ibevent.device = nesqp->ibqp.device;
 			ibevent.event = nesqp->terminate_eventtype;
 			ibevent.element.qp = &nesqp->ibqp;
-			nesqp->ibqp.event_handler(&ibevent, nesqp->ibqp.qp_context);
+			if (nesqp->ibqp.event_handler)
+				nesqp->ibqp.event_handler(&ibevent, nesqp->ibqp.qp_context);
 		}
 	}