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

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Date:   Thu, 8 Apr 2021 11:31:35 +0000
From:   Wang Wensheng <wangwensheng4@...wei.com>
To:     <mkalderon@...vell.com>, <aelior@...vell.com>,
        <dledford@...hat.com>, <jgg@...pe.ca>,
        <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <rui.xiang@...wei.com>
Subject: [PATCH -next] RDMA/qedr: Fix error return code in qedr_iw_connect()

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")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
---
 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 c4bc587..1715fbe 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) {
-- 
2.9.4