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-rw-r--r--include/linux/udp.h1
-rw-r--r--include/net/udp.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 6ed008ab1665..e554890c4415 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -109,6 +109,7 @@ struct udp_sock {
*/
struct hlist_node tunnel_list;
struct numa_drop_counters drop_counters;
+ spinlock_t busylock ____cacheline_aligned_in_smp;
};
#define udp_test_bit(nr, sk) \
diff --git a/include/net/udp.h b/include/net/udp.h
index a08822e294b0..eecd64097f91 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -289,6 +289,7 @@ static inline void udp_lib_init_sock(struct sock *sk)
struct udp_sock *up = udp_sk(sk);
sk->sk_drop_counters = &up->drop_counters;
+ spin_lock_init(&up->busylock);
skb_queue_head_init(&up->reader_queue);
INIT_HLIST_NODE(&up->tunnel_list);
up->forward_threshold = sk->sk_rcvbuf >> 2;