bridge: Only call /sbin/bridge-stp for the initial network namespace

[pandora-kernel.git] / net / bridge / br_stp_if.c

diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 0f7dc60..afafe66 100644 (file)
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -129,7 +129,10 @@ static void br_stp_start(struct net_bridge *br)
        char *argv[] = { BR_STP_PROG, br->dev->name, "start", NULL };
        char *envp[] = { NULL };
 
-       r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC);
+       if (net_eq(dev_net(br->dev), &init_net))
+               r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC);
+       else
+               r = -ENOENT;
        if (r == 0) {
                br->stp_enabled = BR_USER_STP;
                br_debug(br, "userspace STP started\n");