From: Jack Wang <jinpu.wang@profitbricks.com>
Date: Mon, 2 Jan 2017 12:22:05 +0000 (+0100)
Subject: RDMA/cma: use cached port state when bind loopback
X-Git-Tag: MMI-PSA29.97-13-9~6101^2~37
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=102c5ce082f557405a0f71ad5a8920f9df50cd9e;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

RDMA/cma: use cached port state when bind loopback

Signed-off-by: Jack Wang <jinpu.wang@profitbricks.com>
Reviewed-by: Michael Wang <yun.wang@profitbricks.com>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 40e2b726aa02..a14a18cfc8f3 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2656,8 +2656,8 @@ static void cma_set_loopback(struct sockaddr *addr)
 static int cma_bind_loopback(struct rdma_id_private *id_priv)
 {
 	struct cma_device *cma_dev, *cur_dev;
-	struct ib_port_attr port_attr;
 	union ib_gid gid;
+	enum ib_port_state port_state;
 	u16 pkey;
 	int ret;
 	u8 p;
@@ -2673,8 +2673,8 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv)
 			cma_dev = cur_dev;
 
 		for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
-			if (!ib_query_port(cur_dev->device, p, &port_attr) &&
-			    port_attr.state == IB_PORT_ACTIVE) {
+			if (!ib_get_cached_port_state(cur_dev->device, p, &port_state) &&
+			    port_state == IB_PORT_ACTIVE) {
 				cma_dev = cur_dev;
 				goto port_found;
 			}