[PATCH v2 for-next] RDMA: Fix return value check for ib_get_eth_speed()

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ib_get_eth_speed() return 0 on success. Fixing the condition checking
and prevent reporting failure for query_port verb.

Fixes: d41861942fc5 ("Add generic function to extract IB speed from netdev")
Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
---
v1 -> v2:
	Fixing the commit log. Also, fixes the same issue in usnic driver also
 drivers/infiniband/hw/bnxt_re/ib_verbs.c     | 4 ++--
 drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index d78fedc..3fa20e0 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -264,8 +264,8 @@ int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
 	 * IB stack to avoid race in the NETDEV_UNREG path
 	 */
 	if (test_bit(BNXT_RE_FLAG_IBDEV_REGISTERED, &rdev->flags))
-		if (!ib_get_eth_speed(ibdev, port_num, &port_attr->active_speed,
-				      &port_attr->active_width))
+		if (ib_get_eth_speed(ibdev, port_num, &port_attr->active_speed,
+				     &port_attr->active_width))
 			return -EINVAL;
 	return 0;
 }
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index e5f57dd..97dd79e 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -309,8 +309,8 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
 	usnic_dbg("\n");
 
 	mutex_lock(&us_ibdev->usdev_lock);
-	if (!ib_get_eth_speed(ibdev, port, &props->active_speed,
-			      &props->active_width)) {
+	if (ib_get_eth_speed(ibdev, port, &props->active_speed,
+			     &props->active_width)) {
 		mutex_unlock(&us_ibdev->usdev_lock);
 		return -EINVAL;
 	}
-- 
2.5.5

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