linux-kernel - [PATCH -next] nvme-tcp-offload: Fix error return code in nvme_tcp_ofld_setup

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Date:   Tue, 8 Jun 2021 14:38:54 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <weiyongjun1@...wei.com>, Arie Gershberg <agershberg@...vell.com>,
        Shai Malin <smalin@...vell.com>,
        Ariel Elior <aelior@...vell.com>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
CC:     <linux-nvme@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] nvme-tcp-offload: Fix error return code in nvme_tcp_ofld_setup_ctrl()

Fix to return negative error code -EINVAL if mandatory sgls
are not supported.

Fixes: 5aadd5f9311e ("nvme-tcp-offload: Add controller level implementation")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/nvme/host/tcp-offload.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/host/tcp-offload.c b/drivers/nvme/host/tcp-offload.c
index c76822e5ada7..3879d5ed7497 100644
--- a/drivers/nvme/host/tcp-offload.c
+++ b/drivers/nvme/host/tcp-offload.c
@@ -622,6 +622,7 @@ static int nvme_tcp_ofld_setup_ctrl(struct nvme_ctrl *nctrl, bool new)
 
 	if (!(nctrl->sgls & ((1 << 0) | (1 << 1)))) {
 		dev_err(nctrl->device, "Mandatory sgls are not supported!\n");
+		rc = -EINVAL;
 		goto destroy_admin;
 	}