From: Jing Xiangfeng <jingxiangfeng@huawei.com>
To: <mst@redhat.com>, <jasowang@redhat.com>, <eli@mellanox.com>,
<parav@mellanox.com>, <alex.dewar@gmx.co.uk>
Cc: <virtualization@lists.linux-foundation.org>,
<linux-kernel@vger.kernel.org>, <jingxiangfeng@huawei.com>
Subject: [PATCH] vdpa/mlx5: Fix error return in map_direct_mr()
Date: Mon, 26 Oct 2020 15:06:37 +0800 [thread overview]
Message-ID: <20201026070637.164321-1-jingxiangfeng@huawei.com> (raw)
Fix to return the variable "err" from the error handling case instead
of "ret".
Fixes: 94abbccdf291 ("vdpa/mlx5: Add shared memory registration code")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
---
drivers/vdpa/mlx5/core/mr.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index ef1c550f8266..4b6195666c58 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -239,7 +239,6 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr
u64 paend;
struct scatterlist *sg;
struct device *dma = mvdev->mdev->device;
- int ret;
for (map = vhost_iotlb_itree_first(iotlb, mr->start, mr->end - 1);
map; map = vhost_iotlb_itree_next(map, start, mr->end - 1)) {
@@ -277,8 +276,8 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr
done:
mr->log_size = log_entity_size;
mr->nsg = nsg;
- ret = dma_map_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
- if (!ret)
+ err = dma_map_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
+ if (!err)
goto err_map;
err = create_direct_mr(mvdev, mr);
--
2.17.1
next reply other threads:[~2020-10-26 7:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-26 7:06 Jing Xiangfeng [this message]
2020-10-26 7:13 ` [PATCH] vdpa/mlx5: Fix error return in map_direct_mr() Eli Cohen
2020-10-27 2:44 ` Jason Wang
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