[PATCH libmlx4 8/8] When calling ibv_modify_qp() return right value

From: Dotan Barak <redacted>

When the ibv_query_port() call made by mlx4_modify_qp() fails, the return
value from the latter should indicate the error status of the former and
not simply -1.

Signed-off-by: Dotan Barak <redacted>
Signed-off-by: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
 src/verbs.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/verbs.c b/src/verbs.c
index f629275..fb73fdc 100644
--- a/src/verbs.c
+++ b/src/verbs.c

@@ -534,8 +534,10 @@ int mlx4_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr,
 	int ret;
 
 	if (attr_mask & IBV_QP_PORT) {
-		if (ibv_query_port(qp->pd->context, attr->port_num, &port_attr))
-			return -1;
+		ret = ibv_query_port(qp->pd->context, attr->port_num,
+				     &port_attr);
+		if (ret)
+			return ret;
 		mqp->link_layer = port_attr.link_layer;
 	}
 

-- 
1.7.1

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