Merge branch 'mlx4-net'

Or Gerlitz says:

====================
mlx4 driver fixes for 3.19-rc2

Please push Maor's patch to -stable >= 3.17

Jack's fixes error-flow issues introduced in 3.19-rc1, no need for -stable.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/main.c

@@ -1829,7 +1829,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 		err = mlx4_dev_cap(dev, &dev_cap);
 		if (err) {
 			mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n");
-			goto err_stop_fw;
+			return err;
 		}
 
 		choose_steering_mode(dev, &dev_cap);
@@ -1860,7 +1860,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 					     &init_hca);
 		if ((long long) icm_size < 0) {
 			err = icm_size;
-			goto err_stop_fw;
+			return err;
 		}
 
 		dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
@@ -1874,7 +1874,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 
 		err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
 		if (err)
-			goto err_stop_fw;
+			return err;
 
 		err = mlx4_INIT_HCA(dev, &init_hca);
 		if (err) {
@@ -1886,7 +1886,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 			err = mlx4_query_func(dev, &dev_cap);
 			if (err < 0) {
 				mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n");
-				goto err_stop_fw;
+				goto err_close;
 			} else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) {
 				dev->caps.num_eqs = dev_cap.max_eqs;
 				dev->caps.reserved_eqs = dev_cap.reserved_eqs;
@@ -2006,11 +2006,6 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 	if (!mlx4_is_slave(dev))
 		mlx4_free_icms(dev);
 
-err_stop_fw:
-	if (!mlx4_is_slave(dev)) {
-		mlx4_UNMAP_FA(dev);
-		mlx4_free_icm(dev, priv->fw.fw_icm, 0);
-	}
 	return err;
 }
 

drivers/net/ethernet/mellanox/mlx4/mr.c

@@ -584,6 +584,7 @@ EXPORT_SYMBOL_GPL(mlx4_mr_free);
 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr)
 {
 	mlx4_mtt_cleanup(dev, &mr->mtt);
+	mr->mtt.order = -1;
 }
 EXPORT_SYMBOL_GPL(mlx4_mr_rereg_mem_cleanup);
 
@@ -593,14 +594,14 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
 {
 	int err;
 
-	mpt_entry->start       = cpu_to_be64(iova);
-	mpt_entry->length      = cpu_to_be64(size);
-	mpt_entry->entity_size = cpu_to_be32(page_shift);
-
 	err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
 	if (err)
 		return err;
 
+	mpt_entry->start       = cpu_to_be64(mr->iova);
+	mpt_entry->length      = cpu_to_be64(mr->size);
+	mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift);
+
 	mpt_entry->pd_flags &= cpu_to_be32(MLX4_MPT_PD_MASK |
 					   MLX4_MPT_PD_FLAG_EN_INV);
 	mpt_entry->flags    &= cpu_to_be32(MLX4_MPT_FLAG_FREE |