[PATCH] net/mlx4_core: Add configfs entries for setting device specific parameters [net-next: fix err_cast.cocci warnings

[kbuild test robot <fengguang.wu@intel.com>]

drivers/net/ethernet/mellanox/mlx4/conf.c:218:9-16: WARNING: ERR_CAST can be used with pdev


 Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

Generated by: scripts/coccinelle/api/err_cast.cocci

CC: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

 conf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx4/conf.c
+++ b/drivers/net/ethernet/mellanox/mlx4/conf.c
@@ -215,7 +215,7 @@ static struct config_group *mlx4_set_con
 
 	pdev = find_pdev_by_name(name);
 	if (IS_ERR(pdev))
-		return ERR_PTR(PTR_ERR(pdev));
+		return ERR_CAST(pdev);
 
 	pdev_config = kzalloc(sizeof(*pdev_config), GFP_KERNEL);
 	if (!pdev_config) {