linux-kernel - [PATCH 5.4 192/244] RDMA/qedr: Fix error return code in qedr_iw

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Date:   Wed, 12 May 2021 16:49:23 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Wang Wensheng <wangwensheng4@...wei.com>,
        Michal Kalderon  <michal.kalderon@...vell.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 192/244] RDMA/qedr: Fix error return code in qedr_iw_connect()

From: Wang Wensheng <wangwensheng4@...wei.com>

[ Upstream commit 10dd83dbcd157baf7a78a09ddb2f84c627bc7f1d ]

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: 82af6d19d8d9 ("RDMA/qedr: Fix synchronization methods and memory leaks in qedr")
Link: https://lore.kernel.org/r/20210408113135.92165-1-wangwensheng4@huawei.com
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
Acked-by: Michal Kalderon <michal.kalderon@...vell.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/qedr/qedr_iw_cm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
index 653ddf30973e..b9b46a0c4803 100644
--- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
@@ -636,8 +636,10 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 	memcpy(in_params.local_mac_addr, dev->ndev->dev_addr, ETH_ALEN);
 
 	if (test_and_set_bit(QEDR_IWARP_CM_WAIT_FOR_CONNECT,
-			     &qp->iwarp_cm_flags))
+			     &qp->iwarp_cm_flags)) {
+		rc = -ENODEV;
 		goto err; /* QP already being destroyed */
+	}
 
 	rc = dev->ops->iwarp_connect(dev->rdma_ctx, &in_params, &out_params);
 	if (rc) {
-- 
2.30.2