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Date: Sun, 19 Feb 2017 17:21:53 +0000
From: Majd Dibbiny <majd@...lanox.com>
To: SF Markus Elfring <elfring@...rs.sourceforge.net>
CC: "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
Doug Ledford <dledford@...hat.com>,
Hal Rosenstock <hal.rosenstock@...il.com>,
"Leon Romanovsky" <leonro@...lanox.com>,
Matan Barak <matanb@...lanox.com>,
"Sean Hefty" <sean.hefty@...el.com>,
Yishai Hadas <yishaih@...lanox.com>,
LKML <linux-kernel@...r.kernel.org>,
"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH 12/29] IB/mlx4: Enclose 17 expressions for the sizeof
operator by parentheses
> On Feb 18, 2017, at 11:02 PM, SF Markus Elfring <elfring@...rs.sourceforge.net> wrote:
>
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sat, 18 Feb 2017 11:28:41 +0100
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> The script "checkpatch.pl" pointed information out like the following.
>
> WARNING: sizeof … should be sizeof(…)
>
> Thus fix the affected source code places.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
> drivers/infiniband/hw/mlx4/main.c | 35 +++++++++++++++++------------------
> 1 file changed, 17 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
> index 350c9148340e..b3b5ded85166 100644
> --- a/drivers/infiniband/hw/mlx4/main.c
> +++ b/drivers/infiniband/hw/mlx4/main.c
> @@ -457,8 +457,8 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
>
> resp.response_length = offsetof(typeof(resp), response_length) +
> sizeof(resp.response_length);
> - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
> - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
> + in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
> + out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
> err = -ENOMEM;
> if (!in_mad || !out_mad)
> goto out;
> @@ -471,8 +471,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
> if (err)
> goto out;
>
> - memset(props, 0, sizeof *props);
> -
> + memset(props, 0, sizeof(*props));
> have_ib_ports = num_ib_ports(dev->dev);
>
> props->fw_ver = dev->dev->caps.fw_ver;
> @@ -595,8 +594,8 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
> int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
> int err = -ENOMEM;
>
> - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
> - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
> + in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
> + out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
> if (!in_mad || !out_mad)
> goto out;
>
> @@ -771,8 +770,8 @@ int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
> int clear = 0;
> int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
>
> - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
> - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
> + in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
> + out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
> if (!in_mad || !out_mad)
> goto out;
>
> @@ -908,8 +907,8 @@ int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
> int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
> int err = -ENOMEM;
>
> - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
> - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
> + in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
> + out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
> if (!in_mad || !out_mad)
> goto out;
>
> @@ -1280,7 +1279,7 @@ static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
> struct mlx4_ib_pd *pd;
> int err;
>
> - pd = kmalloc(sizeof *pd, GFP_KERNEL);
> + pd = kmalloc(sizeof(*pd), GFP_KERNEL);
> if (!pd)
> return ERR_PTR(-ENOMEM);
>
> @@ -1319,7 +1318,7 @@ static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
> if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC))
> return ERR_PTR(-ENOSYS);
>
> - xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL);
> + xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL);
> if (!xrcd)
> return ERR_PTR(-ENOMEM);
>
> @@ -1367,7 +1366,7 @@ static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid)
> struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
> struct mlx4_ib_gid_entry *ge;
>
> - ge = kzalloc(sizeof *ge, GFP_KERNEL);
> + ge = kzalloc(sizeof(*ge), GFP_KERNEL);
> if (!ge)
> return -ENOMEM;
>
> @@ -2089,8 +2088,8 @@ static int init_node_data(struct mlx4_ib_dev *dev)
> int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
> int err = -ENOMEM;
>
> - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
> - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
> + in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
> + out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
> if (!in_mad || !out_mad)
> goto out;
>
> @@ -2600,7 +2599,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
> if (num_ports == 0)
> return NULL;
>
> - ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
> + ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof(*ibdev));
> if (!ibdev) {
> dev_err(&dev->persist->pdev->dev,
> "Device struct alloc failed\n");
> @@ -3301,12 +3300,12 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
> break;
>
> case MLX4_DEV_EVENT_PORT_MGMT_CHANGE:
> - ew = kmalloc(sizeof *ew, GFP_ATOMIC);
> + ew = kmalloc(sizeof(*ew), GFP_ATOMIC);
> if (!ew)
> break;
>
> INIT_WORK(&ew->work, handle_port_mgmt_change_event);
> - memcpy(&ew->ib_eqe, eqe, sizeof *eqe);
> + memcpy(&ew->ib_eqe, eqe, sizeof(*eqe));
> ew->ib_dev = ibdev;
> /* need to queue only for port owner, which uses GEN_EQE */
> if (mlx4_is_master(dev))
> --
> 2.11.1
>
> --
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Thanks,
Reviewed-by: Majd Dibbiny
<majd@...lanox.com>
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