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authorDavid S. Miller <davem@davemloft.net>2020-03-31 05:52:37 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-31 05:52:37 +0300
commited52f2c608c9451fa2bad298b2ab927416105d65 (patch)
treed624be01447b5d578aa79b02b37f0023a867bb42 /net/ipv4/udp.c
parentf87238d30c0d550553a37585d0e27a8052952bb4 (diff)
parent8596a75f6c830a693ec86e6467a58b225713a7f1 (diff)
downloadlinux-ed52f2c608c9451fa2bad298b2ab927416105d65.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 7ea90eb4a1ba..32564b350823 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2288,6 +2288,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
struct rtable *rt = skb_rtable(skb);
__be32 saddr, daddr;
struct net *net = dev_net(skb->dev);
+ bool refcounted;
/*
* Validate the packet.
@@ -2313,7 +2314,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
if (udp4_csum_init(skb, uh, proto))
goto csum_error;
- sk = skb_steal_sock(skb);
+ sk = skb_steal_sock(skb, &refcounted);
if (sk) {
struct dst_entry *dst = skb_dst(skb);
int ret;
@@ -2322,7 +2323,8 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
udp_sk_rx_dst_set(sk, dst);
ret = udp_unicast_rcv_skb(sk, skb, uh);
- sock_put(sk);
+ if (refcounted)
+ sock_put(sk);
return ret;
}