From 4436156b6fbec746108d45431a9f1885de810ec1 Mon Sep 17 00:00:00 2001 From: Xin Long Date: Sat, 9 Apr 2016 00:03:30 +0800 Subject: [PATCH] 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 Reviewed-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- net/bridge/br_sysfs_br.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c index 137cd3bf2565..f9d484ecae07 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); -- 2.20.1