linux-kernel - [PATCH 5.11 486/601] RDMA/srpt: Fix error return code in srpt_cm_req

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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>,
        Bart Van Assche <bvanassche@....org>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 486/601] RDMA/srpt: Fix error return code in srpt_cm_req_recv()

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

[ Upstream commit 6bc950beff0c440ac567cdc4e7f4542a9920953d ]

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

Fixes: db7683d7deb2 ("IB/srpt: Fix login-related race conditions")
Link: https://lore.kernel.org/r/20210408113132.87250-1-wangwensheng4@huawei.com
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
Reviewed-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/ulp/srpt/ib_srpt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 6be60aa5ffe2..7f0420ad9057 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -2378,6 +2378,7 @@ static int srpt_cm_req_recv(struct srpt_device *const sdev,
 		pr_info("rejected SRP_LOGIN_REQ because target %s_%d is not enabled\n",
 			dev_name(&sdev->device->dev), port_num);
 		mutex_unlock(&sport->mutex);
+		ret = -EINVAL;
 		goto reject;
 	}
 
-- 
2.30.2