net/mlx5e: Fix memory leak if refreshing TIRs fails

Free 'in' command object also when mlx5_core_modify_tir fails.

Fixes: 724b2aa15126 ("net/mlx5e: TIRs management refactoring")
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
index 673043c..9cce153 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
@@ -139,7 +139,7 @@
 	struct mlx5e_tir *tir;
 	void *in;
 	int inlen;
-	int err;
+	int err = 0;
 
 	inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
 	in = mlx5_vzalloc(inlen);
@@ -151,10 +151,11 @@
 	list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) {
 		err = mlx5_core_modify_tir(mdev, tir->tirn, in, inlen);
 		if (err)
-			return err;
+			goto out;
 	}
 
+out:
 	kvfree(in);
 
-	return 0;
+	return err;
 }