[PATCH rdma-next V1] IB/core: Remove pointer casting from void to net_device

Leon Romanovsky
2017-02-02T05:14:08Z

From: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

This patch avoids unnecessary type casting from void to net_device.

CC: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Signed-off-by: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
Changelog v0->v1:
* Removed temporary event_ndev variable as was suggested by Yuval Shaia.
---
drivers/infiniband/core/roce_gid_mgmt.c | 28 ++++++++++------------------
1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 0621f4455732..db958d3207ef 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -144,7 +144,6 @@ static enum bonding_slave_state is_eth_active_slave_of_bonding_rcu(struct net_de
static int is_eth_port_of_netdev(struct ib_device *ib_dev, u8 port,
struct net_device *rdma_ndev, void *cookie)
{
- struct net_device *event_ndev = (struct net_device *)cookie;
struct net_device *real_dev;
int res;

@@ -152,11 +151,11 @@ static int is_eth_port_of_netdev(struct ib_device *ib_dev, u8 port,
return 0;

rcu_read_lock();
- real_dev = rdma_vlan_dev_real_dev(event_ndev);
+ real_dev = rdma_vlan_dev_real_dev(cookie);
if (!real_dev)
- real_dev = event_ndev;
+ real_dev = cookie;

- res = ((rdma_is_upper_dev_rcu(rdma_ndev, event_ndev) &&
+ res = ((rdma_is_upper_dev_rcu(rdma_ndev, cookie) &&
(is_eth_active_slave_of_bonding_rcu(rdma_ndev, real_dev) &
REQUIRED_BOND_STATES)) ||
real_dev == rdma_ndev);
@@ -192,17 +191,16 @@ static int pass_all_filter(struct ib_device *ib_dev, u8 port,
static int upper_device_filter(struct ib_device *ib_dev, u8 port,
struct net_device *rdma_ndev, void *cookie)
{
- struct net_device *event_ndev = (struct net_device *)cookie;
int res;

if (!rdma_ndev)
return 0;

- if (rdma_ndev == event_ndev)
+ if (rdma_ndev == cookie)
return 1;

rcu_read_lock();
- res = rdma_is_upper_dev_rcu(rdma_ndev, event_ndev);
+ res = rdma_is_upper_dev_rcu(rdma_ndev, cookie);
rcu_read_unlock();

return res;
@@ -379,18 +377,14 @@ static void _add_netdev_ips(struct ib_device *ib_dev, u8 port,
static void add_netdev_ips(struct ib_device *ib_dev, u8 port,
struct net_device *rdma_ndev, void *cookie)
{
- struct net_device *event_ndev = (struct net_device *)cookie;
-
- enum_netdev_default_gids(ib_dev, port, event_ndev, rdma_ndev);
- _add_netdev_ips(ib_dev, port, event_ndev);
+ enum_netdev_default_gids(ib_dev, port, cookie, rdma_ndev);
+ _add_netdev_ips(ib_dev, port, cookie);
}

static void del_netdev_ips(struct ib_device *ib_dev, u8 port,
struct net_device *rdma_ndev, void *cookie)
{
- struct net_device *event_ndev = (struct net_device *)cookie;
-
- ib_cache_gid_del_all_netdev_gids(ib_dev, port, event_ndev);
+ ib_cache_gid_del_all_netdev_gids(ib_dev, port, cookie);
}

static void enum_all_gids_of_dev_cb(struct ib_device *ib_dev,
@@ -460,7 +454,7 @@ static void handle_netdev_upper(struct ib_device *ib_dev, u8 port,
u8 port,
struct net_device *ndev))
{
- struct net_device *ndev = (struct net_device *)cookie;
+ struct net_device *ndev = cookie;
struct upper_list *upper_iter;
struct upper_list *upper_temp;
LIST_HEAD(upper_list);
@@ -519,9 +513,7 @@ static void del_netdev_default_ips_join(struct ib_device *ib_dev, u8 port,
static void del_netdev_default_ips(struct ib_device *ib_dev, u8 port,
struct net_device *rdma_ndev, void *cookie)
{
- struct net_device *event_ndev = (struct net_device *)cookie;
-
- bond_delete_netdev_default_gids(ib_dev, port, event_ndev, rdma_ndev);
+ bond_delete_netdev_default_gids(ib_dev, port, cookie, rdma_ndev);
}

/* The following functions operate on all IB devices. netdevice_event and
--
2.11.0

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