mlx5: fix error return code in mlx5_alloc_uuars()

Fix to return -ENOMEM from the ioremap error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 71d4a39..68f5d9c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -164,6 +164,7 @@ int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari)
                uuari->uars[i].map = ioremap(addr, PAGE_SIZE);
                if (!uuari->uars[i].map) {
                        mlx5_cmd_free_uar(dev, uuari->uars[i].index);
+                       err = -ENOMEM;
                        goto out_count;
                }
                mlx5_core_dbg(dev, "allocated uar index 0x%x, mmaped at %p\n",