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-rw-r--r--net/bridge/br_sysfs_br.c27
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);