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bridge: simplify the forward_delay_store by calling store_bridge_parm 

There are some repetitive codes in forward_delay_store, we can remove
them by calling store_bridge_parm.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2016-04-09 00:03:29 +08:00 committed by David S. Miller
parent 14f31bb39f
commit 347db6b49e
1 changed files with 10 additions and 17 deletions
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27
net/bridge/br_sysfs_br.c
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@ -160,29 +160,22 @@ static ssize_t group_fwd_mask_show(struct device *d,
return sprintf(buf, "%#x\n", br->group_fwd_mask);
}
static int set_group_fwd_mask(struct net_bridge *br, unsigned long val)
{
if (val & BR_GROUPFWD_RESTRICTED)
return -EINVAL;
br->group_fwd_mask = val;
return 0;
}
static ssize_t group_fwd_mask_store(struct device *d,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct net_bridge *br = to_bridge(d);
char *endp;
unsigned long val;
if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN))
return -EPERM;
val = simple_strtoul(buf, &endp, 0);
if (endp == buf)
return -EINVAL;
if (val & BR_GROUPFWD_RESTRICTED)
return -EINVAL;
br->group_fwd_mask = val;
return len;
return store_bridge_parm(d, buf, len, set_group_fwd_mask);
}
static DEVICE_ATTR_RW(group_fwd_mask);