linux-kernel - [PATCH AUTOSEL for 4.9 36/54] RDMA/qedr: Return success when not changing QP state

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Date:   Wed, 22 Nov 2017 22:24:00 +0000
From:   alexander.levin@...izon.com
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Ram Amrani <Ram.Amrani@...ium.com>,
        Ram Amrani <Ram.Amrani@...ium.com>,
        Michal Kalderon <Michal.Kalderon@...ium.com>,
        Doug Ledford <dledford@...hat.com>, alexander.levin@...izon.com
Subject: [PATCH AUTOSEL for 4.9 36/54] RDMA/qedr: Return success when not
 changing QP state

From: Ram Amrani <Ram.Amrani@...ium.com>

[ Upstream commit 865cea40b69741c3da2574176876463233b2b67c ]

If the user is requesting us to change the QP state to the same state
that it is already in, return success instead of failure.

Signed-off-by: Ram Amrani <Ram.Amrani@...ium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@...ium.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/infiniband/hw/qedr/verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 4ba019e3dc56..35d5b89decb4 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1653,7 +1653,7 @@ static int qedr_update_qp_state(struct qedr_dev *dev,
 	int status = 0;
 
 	if (new_state == qp->state)
-		return 1;
+		return 0;
 
 	switch (qp->state) {
 	case QED_ROCE_QP_STATE_RESET:
-- 
2.11.0