linux-kernel - [PATCH] nvme-fc: Fix wrong return value in __nvme_fc_init

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Message-Id: <20200802111545.5566-1-tianjia.zhang@linux.alibaba.com>
Date:   Sun,  2 Aug 2020 19:15:45 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     james.smart@...adcom.com, kbusch@...nel.org, axboe@...com,
        hch@....de, sagi@...mberg.me, jthumshirn@...e.de,
        james_p_freyensee@...ux.intel.com
Cc:     linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        tianjia.zhang@...baba.com
Subject: [PATCH] nvme-fc: Fix wrong return value in __nvme_fc_init_request()

On an error exit path, a negative error code should be returned
instead of a positive return value.

Fixes: e399441de9115 ("nvme-fabrics: Add host support for FC transport")
Cc: James Smart <jsmart2021@...il.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
---
 drivers/nvme/host/fc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index e999a8c4b7e8..2e06f8f4cff1 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2075,7 +2075,7 @@ __nvme_fc_init_request(struct nvme_fc_ctrl *ctrl,
 	if (fc_dma_mapping_error(ctrl->lport->dev, op->fcp_req.cmddma)) {
 		dev_err(ctrl->dev,
 			"FCP Op failed - cmdiu dma mapping failed.\n");
-		ret = EFAULT;
+		ret = -EFAULT;
 		goto out_on_error;
 	}
 
@@ -2085,7 +2085,7 @@ __nvme_fc_init_request(struct nvme_fc_ctrl *ctrl,
 	if (fc_dma_mapping_error(ctrl->lport->dev, op->fcp_req.rspdma)) {
 		dev_err(ctrl->dev,
 			"FCP Op failed - rspiu dma mapping failed.\n");
-		ret = EFAULT;
+		ret = -EFAULT;
 	}
 
 	atomic_set(&op->state, FCPOP_STATE_IDLE);
-- 
2.26.2