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bridge: cleanup netpoll code

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This started out with fixing a sparse warning, then I realized that
the wrapper function br_netpoll_info could just be collapsed away
by rolling it into the enable code.

Also, eliminate unnecessary goto's

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2013-07-24 11:51:41 -07:00 • committed by David S. Miller
commit 93d8bf9fb8
3 changed files with 8 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

12
net/bridge/br_device.c
View file

@ -244,22 +244,22 @@ fail:
int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
{ {
struct netpoll *np; struct netpoll *np;
int err = 0; int err;
if (!p->br->dev->npinfo)
return 0;
np = kzalloc(sizeof(*p->np), gfp); np = kzalloc(sizeof(*p->np), gfp);
err = -ENOMEM;
if (!np) if (!np)
goto out; return -ENOMEM;
err = __netpoll_setup(np, p->dev, gfp); err = __netpoll_setup(np, p->dev, gfp);
if (err) { if (err) {
kfree(np); kfree(np);
goto out; return err;
} }
p->np = np; p->np = np;
out:
return err; return err;
} }

3
net/bridge/br_if.c
View file

@ -363,7 +363,8 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
if (err) if (err)
goto err2; goto err2;
if (br_netpoll_info(br) && ((err = br_netpoll_enable(p, GFP_KERNEL)))) err = br_netpoll_enable(p, GFP_KERNEL);
if (err)
goto err3; goto err3;
err = netdev_master_upper_dev_link(dev, br->dev); err = netdev_master_upper_dev_link(dev, br->dev);

10
net/bridge/br_private.h
View file

@ -333,11 +333,6 @@ extern void br_dev_delete(struct net_device *dev, struct list_head *list);
extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, extern netdev_tx_t br_dev_xmit(struct sk_buff *skb,
struct net_device *dev); struct net_device *dev);
#ifdef CONFIG_NET_POLL_CONTROLLER #ifdef CONFIG_NET_POLL_CONTROLLER
static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br)
{
return br->dev->npinfo;
}
static inline void br_netpoll_send_skb(const struct net_bridge_port *p, static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
struct sk_buff *skb) struct sk_buff *skb)
{ {
@ -350,11 +345,6 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
extern int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp); extern int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp);
extern void br_netpoll_disable(struct net_bridge_port *p); extern void br_netpoll_disable(struct net_bridge_port *p);
#else #else
static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br)
{
return NULL;
}
static inline void br_netpoll_send_skb(const struct net_bridge_port *p, static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
struct sk_buff *skb) struct sk_buff *skb)
{ {