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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>
This commit is contained in:
Jack Wang 2017-01-02 13:22:05 +01:00 committed by Doug Ledford
parent 93b1f29de7
commit 102c5ce082
1 changed files with 3 additions and 3 deletions
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6
drivers/infiniband/core/cma.c
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@ -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;
}