* [PATCH -next] RDMA/mlx: remove a lot of unnecessary NULL values
@ 2023-07-28 6:51 Ruan Jinjie
2023-07-30 13:00 ` Leon Romanovsky
0 siblings, 1 reply; 2+ messages in thread
From: Ruan Jinjie @ 2023-07-28 6:51 UTC (permalink / raw)
To: yishaih, jgg, leon, linux-rdma; +Cc: ruanjinjie
Ther are many pointers assigned first, which need not to be initialized, so
remove the NULL assignment.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
---
drivers/infiniband/hw/mlx4/main.c | 36 +++++++++++++++----------------
drivers/infiniband/hw/mlx5/mad.c | 32 +++++++++++++--------------
2 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index b18e9f2adc82..832e0067b091 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -132,7 +132,7 @@ static struct net_device *mlx4_ib_get_netdev(struct ib_device *device,
if (dev) {
if (mlx4_is_bonded(ibdev->dev)) {
- struct net_device *upper = NULL;
+ struct net_device *upper;
upper = netdev_master_upper_dev_get_rcu(dev);
if (upper) {
@@ -254,7 +254,7 @@ static int mlx4_ib_add_gid(const struct ib_gid_attr *attr, void **context)
int ret = 0;
int hw_update = 0;
int i;
- struct gid_entry *gids = NULL;
+ struct gid_entry *gids;
u16 vlan_id = 0xffff;
u8 mac[ETH_ALEN];
@@ -345,7 +345,7 @@ static int mlx4_ib_del_gid(const struct ib_gid_attr *attr, void **context)
struct mlx4_port_gid_table *port_gid_table;
int ret = 0;
int hw_update = 0;
- struct gid_entry *gids = NULL;
+ struct gid_entry *gids;
if (!rdma_cap_roce_gid_table(attr->device, attr->port_num))
return -EINVAL;
@@ -431,8 +431,8 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
struct ib_udata *uhw)
{
struct mlx4_ib_dev *dev = to_mdev(ibdev);
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err;
int have_ib_ports;
struct mlx4_uverbs_ex_query_device cmd;
@@ -649,8 +649,8 @@ mlx4_ib_port_link_layer(struct ib_device *device, u32 port_num)
static int ib_link_query_port(struct ib_device *ibdev, u32 port,
struct ib_port_attr *props, int netw_view)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int ext_active_speed;
int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
int err = -ENOMEM;
@@ -827,8 +827,8 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u32 port,
int __mlx4_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
union ib_gid *gid, int netw_view)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
struct mlx4_ib_dev *dev = to_mdev(ibdev);
int clear = 0;
@@ -892,8 +892,8 @@ static int mlx4_ib_query_sl2vl(struct ib_device *ibdev, u32 port,
u64 *sl2vl_tbl)
{
union sl2vl_tbl_to_u64 sl2vl64;
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
int err = -ENOMEM;
int jj;
@@ -952,8 +952,8 @@ static void mlx4_init_sl2vl_tbl(struct mlx4_ib_dev *mdev)
int __mlx4_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index,
u16 *pkey, int netw_view)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
int err = -ENOMEM;
@@ -1968,8 +1968,8 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
static int init_node_data(struct mlx4_ib_dev *dev)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
int err = -ENOMEM;
@@ -2621,7 +2621,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
int num_req_counters;
int allocated;
u32 counter_index;
- struct counter_index *new_counter_index = NULL;
+ struct counter_index *new_counter_index;
pr_info_once("%s", mlx4_ib_version);
@@ -2923,7 +2923,7 @@ int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
{
int err;
size_t flow_size;
- struct ib_flow_attr *flow = NULL;
+ struct ib_flow_attr *flow;
struct ib_flow_spec_ib *ib_spec;
if (is_attach) {
@@ -2992,7 +2992,7 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init)
{
- struct mlx4_ib_demux_work **dm = NULL;
+ struct mlx4_ib_demux_work **dm;
struct mlx4_dev *dev = ibdev->dev;
int i;
unsigned long flags;
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 9c8a7b206dcf..c5e103abdd24 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -308,8 +308,8 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num,
int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, unsigned int port)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
u16 packet_error;
@@ -338,7 +338,7 @@ int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, unsigned int port)
static int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
struct ib_smp *out_mad)
{
- struct ib_smp *in_mad = NULL;
+ struct ib_smp *in_mad;
int err = -ENOMEM;
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
@@ -358,7 +358,7 @@ static int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
__be64 *sys_image_guid)
{
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
@@ -380,7 +380,7 @@ int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
u16 *max_pkeys)
{
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
@@ -402,7 +402,7 @@ int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
u32 *vendor_id)
{
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
@@ -423,8 +423,8 @@ int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
@@ -448,8 +448,8 @@ int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
@@ -474,8 +474,8 @@ int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid)
int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u32 port, u16 index,
u16 *pkey)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
@@ -503,8 +503,8 @@ int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u32 port, u16 index,
int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u32 port, int index,
union ib_gid *gid)
{
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int err = -ENOMEM;
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
@@ -545,8 +545,8 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port,
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
struct mlx5_core_dev *mdev = dev->mdev;
- struct ib_smp *in_mad = NULL;
- struct ib_smp *out_mad = NULL;
+ struct ib_smp *in_mad;
+ struct ib_smp *out_mad;
int ext_active_speed;
int err = -ENOMEM;
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH -next] RDMA/mlx: remove a lot of unnecessary NULL values
2023-07-28 6:51 [PATCH -next] RDMA/mlx: remove a lot of unnecessary NULL values Ruan Jinjie
@ 2023-07-30 13:00 ` Leon Romanovsky
0 siblings, 0 replies; 2+ messages in thread
From: Leon Romanovsky @ 2023-07-30 13:00 UTC (permalink / raw)
To: yishaih, jgg, linux-rdma, Ruan Jinjie
On Fri, 28 Jul 2023 14:51:39 +0800, Ruan Jinjie wrote:
> Ther are many pointers assigned first, which need not to be initialized, so
> remove the NULL assignment.
>
>
Applied, thanks!
[1/1] RDMA/mlx: remove a lot of unnecessary NULL values
https://git.kernel.org/rdma/rdma/c/183b5cc943dc2c
Best regards,
--
Leon Romanovsky <leon@kernel.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
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