1 files changed, 3 insertions, 5 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c9e8741226c6..c7c42eb617ef 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2784,7 +2784,7 @@ static int packet_release(struct socket *sock)
 static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
 {
         struct packet_sock *po = pkt_sk(sk);
-        const struct net_device *dev_curr;
+        struct net_device *dev_curr;
         __be16 proto_curr;
         bool need_rehook;
 
@@ -2808,15 +2808,13 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
 
                 po->num = proto;
                 po->prot_hook.type = proto;
-
-                if (po->prot_hook.dev)
-                        dev_put(po->prot_hook.dev);
-
                 po->prot_hook.dev = dev;
 
                 po->ifindex = dev ? dev->ifindex : 0;
                 packet_cached_dev_assign(po, dev);
         }
+        if (dev_curr)
+                dev_put(dev_curr);
 
         if (proto == 0 || !need_rehook)
                 goto out_unlock;