linux-kernel - [PATCH 4.9 069/109] RDMA/qedr: Return success when not changing QP state

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Message-Id: <20171207125642.700025184@linuxfoundation.org>
Date:   Thu,  7 Dec 2017 13:56:53 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ram Amrani <Ram.Amrani@...ium.com>,
        Michal Kalderon <Michal.Kalderon@...ium.com>,
        Doug Ledford <dledford@...hat.com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 069/109] RDMA/qedr: Return success when not changing QP state

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/infiniband/hw/qedr/verbs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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 q
 	int status = 0;
 
 	if (new_state == qp->state)
-		return 1;
+		return 0;
 
 	switch (qp->state) {
 	case QED_ROCE_QP_STATE_RESET: