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From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 4 Mar 2020 17:22:24 +0300
Subject: net/mlx5e: Fix an IS_ERR() vs NULL check
Patch-mainline: v5.7-rc1
Git-commit: d9fb932fde217b15eab2111605b05a05b47ea593
References: jsc#SLE-15172

The esw_vport_tbl_get() function returns error pointers on error.

Fixes: 96e326878fa5 ("net/mlx5e: Eswitch, Use per vport tables for mirroring")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -198,7 +198,7 @@ int mlx5_esw_vport_tbl_get(struct mlx5_e
 	mlx5_esw_for_all_vports(esw, i, vport) {
 		attr.in_rep->vport = vport->vport;
 		fdb = esw_vport_tbl_get(esw, &attr);
-		if (!fdb)
+		if (IS_ERR(fdb))
 			goto out;
 	}
 	return 0;