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-rw-r--r--net/bridge/br_stp_if.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 12045dea276c..8a7ada8bb947 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -142,7 +142,10 @@ static void br_stp_start(struct net_bridge *br)
char *envp[] = { NULL };
struct net_bridge_port *p;
- 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;
spin_lock_bh(&br->lock);