RDMA/mthca: Remove unnecessary NULL assignments

There are many pointers assigned first, which need not to be initialized, so
remove the NULL assignments.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230731065543.2285928-1-ruanjinjie@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index c46df53..e1325f2 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -53,8 +53,8 @@
 static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
                              struct ib_udata *uhw)
 {
-       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 mthca_dev *mdev = to_mdev(ibdev);
 
@@ -121,8 +121,8 @@ static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *pr
 static int mthca_query_port(struct ib_device *ibdev,
                            u32 port, struct ib_port_attr *props)
 {
-       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);
@@ -217,8 +217,8 @@ out:
 static int mthca_query_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);
@@ -246,8 +246,8 @@ static int mthca_query_pkey(struct ib_device *ibdev,
 static int mthca_query_gid(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);
@@ -989,8 +989,8 @@ static const struct attribute_group mthca_attr_group = {
 
 static int mthca_init_node_data(struct mthca_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 err = -ENOMEM;
 
        in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);