Re: [PATCH 5/25] IB/mlx4: fix error return code

From: Jack Morgenstein
Date: Tue Dec 31 2013 - 02:52:52 EST


On Sun, 29 Dec 2013 23:47:20 +0100
Julia Lawall <Julia.Lawall@xxxxxxx> wrote:

> diff --git a/drivers/infiniband/hw/mlx4/sysfs.c
> b/drivers/infiniband/hw/mlx4/sysfs.c index 97516eb..db2ea31 100644
> --- a/drivers/infiniband/hw/mlx4/sysfs.c
> +++ b/drivers/infiniband/hw/mlx4/sysfs.c
> @@ -582,8 +582,10 @@ static int add_port(struct mlx4_ib_dev *dev, int
> port_num, int slave) p->pkey_group.attrs =
> alloc_group_attrs(show_port_pkey, store_port_pkey,
> dev->dev->caps.pkey_table_len[port_num]);
> - if (!p->pkey_group.attrs)
> + if (!p->pkey_group.attrs) {
> + ret = -ENOMEM;
> goto err_alloc;
> + }
>
> ret = sysfs_create_group(&p->kobj, &p->pkey_group);
> if (ret)
> @@ -591,8 +593,10 @@ static int add_port(struct mlx4_ib_dev *dev, int
> port_num, int slave)
> p->gid_group.name = "gid_idx";
> p->gid_group.attrs = alloc_group_attrs(show_port_gid_idx,
> NULL, 1);
> - if (!p->gid_group.attrs)
> + if (!p->gid_group.attrs) {
> + ret = -ENOMEM;
> goto err_free_pkey;
> + }
>

ACK. Julia's patch is correct -- this is indeed a bug-fix.

-Jack
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