diff options
| -rw-r--r-- | net/bridge/br_sysfs_br.c | 21 | ||||
| -rw-r--r-- | net/bridge/br_vlan.c | 30 |
2 files changed, 14 insertions, 37 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c index f9d484ecae07..70bddfd0f3e9 100644 --- a/net/bridge/br_sysfs_br.c +++ b/net/bridge/br_sysfs_br.c @@ -43,7 +43,14 @@ static ssize_t store_bridge_parm(struct device *d, if (endp == buf) return -EINVAL; + if (!rtnl_trylock()) + return restart_syscall(); + err = (*set)(br, val); + if (!err) + netdev_state_change(br->dev); + rtnl_unlock(); + return err ? err : len; } @@ -101,15 +108,7 @@ static ssize_t ageing_time_show(struct device *d, static int set_ageing_time(struct net_bridge *br, unsigned long val) { - int ret; - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = br_set_ageing_time(br, val); - rtnl_unlock(); - - return ret; + return br_set_ageing_time(br, val); } static ssize_t ageing_time_store(struct device *d, @@ -130,10 +129,7 @@ static ssize_t stp_state_show(struct device *d, static int set_stp_state(struct net_bridge *br, unsigned long val) { - if (!rtnl_trylock()) - return restart_syscall(); br_stp_set_enabled(br, val); - rtnl_unlock(); return 0; } @@ -315,6 +311,7 @@ static ssize_t group_addr_store(struct device *d, br->group_addr_set = true; br_recalculate_fwd_mask(br); + netdev_state_change(br->dev); rtnl_unlock(); diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 9309bb4f2a5b..e001152d6ad1 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -651,15 +651,7 @@ int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val) int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val) { - int err; - - if (!rtnl_trylock()) - return restart_syscall(); - - err = __br_vlan_filter_toggle(br, val); - rtnl_unlock(); - - return err; + return __br_vlan_filter_toggle(br, val); } int __br_vlan_set_proto(struct net_bridge *br, __be16 proto) @@ -713,18 +705,10 @@ err_filt: int br_vlan_set_proto(struct net_bridge *br, unsigned long val) { - int err; - if (val != ETH_P_8021Q && val != ETH_P_8021AD) return -EPROTONOSUPPORT; - if (!rtnl_trylock()) - return restart_syscall(); - - err = __br_vlan_set_proto(br, htons(val)); - rtnl_unlock(); - - return err; + return __br_vlan_set_proto(br, htons(val)); } static bool vlan_default_pvid(struct net_bridge_vlan_group *vg, u16 vid) @@ -855,21 +839,17 @@ int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val) if (val >= VLAN_VID_MASK) return -EINVAL; - if (!rtnl_trylock()) - return restart_syscall(); - if (pvid == br->default_pvid) - goto unlock; + goto out; /* Only allow default pvid change when filtering is disabled */ if (br->vlan_enabled) { pr_info_once("Please disable vlan filtering to change default_pvid\n"); err = -EPERM; - goto unlock; + goto out; } err = __br_vlan_set_default_pvid(br, pvid); -unlock: - rtnl_unlock(); +out: return err; } |