[BRIDGE]: Missing rtnl.
Writing to /sys/class/net/brX/bridge/stp_state causes a warning because
RTNL is not held when call br_stp_if.c
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 7ec0b76..33c6c4a 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -149,9 +149,11 @@
static void set_stp_state(struct net_bridge *br, unsigned long val)
{
+ rtnl_lock();
spin_unlock_bh(&br->lock);
br_stp_set_enabled(br, val);
spin_lock_bh(&br->lock);
+ rtnl_unlock();
}
static ssize_t store_stp_state(struct device *d,