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path: root/net/bridge/br_stp_bpdu.c
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Diffstat (limited to 'net/bridge/br_stp_bpdu.c')
-rw-r--r--net/bridge/br_stp_bpdu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 14f0c888eec..0edbd2a1c3f 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -17,6 +17,7 @@
#include <linux/netfilter_bridge.h>
#include <linux/etherdevice.h>
#include <linux/llc.h>
+#include <net/net_namespace.h>
#include <net/llc.h>
#include <net/llc_pdu.h>
#include <asm/unaligned.h>
@@ -141,6 +142,9 @@ int br_stp_rcv(struct sk_buff *skb, struct net_device *dev,
struct net_bridge *br;
const unsigned char *buf;
+ if (dev->nd_net != &init_net)
+ goto err;
+
if (!p)
goto err;