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authorXin Long <lucien.xin@gmail.com>2016-04-08 16:03:30 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-04-14 02:42:32 (GMT)
commit4436156b6fbec746108d45431a9f1885de810ec1 (patch)
tree6b82e56f2367a41c828765392a45159dd35b8ff5
parent347db6b49ec0ba5ee3c9d946d45b7db59cf40480 (diff)
downloadlinux-4436156b6fbec746108d45431a9f1885de810ec1.tar.xz
bridge: simplify the stp_state_store by calling store_bridge_parm
There are some repetitive codes in stp_state_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>
-rw-r--r--net/bridge/br_sysfs_br.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 137cd3b..f9d484e 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -128,27 +128,21 @@ static ssize_t stp_state_show(struct device *d,
}
-static ssize_t stp_state_store(struct device *d,
- struct device_attribute *attr, const char *buf,
- size_t len)
+static int set_stp_state(struct net_bridge *br, unsigned long val)
{
- 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 (!rtnl_trylock())
return restart_syscall();
br_stp_set_enabled(br, val);
rtnl_unlock();
- return len;
+ return 0;
+}
+
+static ssize_t stp_state_store(struct device *d,
+ struct device_attribute *attr, const char *buf,
+ size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_stp_state);
}
static DEVICE_ATTR_RW(stp_state);