tcp: when rearming RTO, if RTO time is in past then fire RTO ASAP

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / batman-adv / sysfs.c

diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index 15a22efa9a679e016e8a435b8564c5460327f116..929e304dacb254c333dd3dfbb94ba8de832153c6 100644 (file)
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -582,10 +582,7 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
            (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0))
                goto out;
 
-       if (!rtnl_trylock()) {
-               ret = -ERESTARTSYS;
-               goto out;
-       }
+       rtnl_lock();
 
        if (status_tmp == BATADV_IF_NOT_IN_USE) {
                batadv_hardif_disable_interface(hard_iface,