nvme-fc: Fix wrong return value in __nvme_fc_init_request()

[ Upstream commit f34448cd0dc697723fb5f4118f8431d9233b370d ]

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@gmail.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 83ac88924f253ce5983a587649e060a316ee52aa..dce4d6782ceb198dc1e24f0f719c6fb2906906bb 100644 (file)
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1740,7 +1740,7 @@ __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;
        }
 
@@ -1750,7 +1750,7 @@ __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);