diff options
| -rw-r--r-- | net/bridge/br_sysfs_br.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c index c48f6b0b2022..137cd3bf2565 100644 --- a/net/bridge/br_sysfs_br.c +++ b/net/bridge/br_sysfs_br.c @@ -160,29 +160,22 @@ static ssize_t group_fwd_mask_show(struct device *d, return sprintf(buf, "%#x\n", br->group_fwd_mask); } - -static ssize_t group_fwd_mask_store(struct device *d, - struct device_attribute *attr, - const char *buf, - size_t len) +static int set_group_fwd_mask(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 (val & BR_GROUPFWD_RESTRICTED) return -EINVAL; br->group_fwd_mask = val; - return len; + return 0; +} + +static ssize_t group_fwd_mask_store(struct device *d, + struct device_attribute *attr, + const char *buf, + size_t len) +{ + return store_bridge_parm(d, buf, len, set_group_fwd_mask); } static DEVICE_ATTR_RW(group_fwd_mask); |