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-rw-r--r--net/tipc/msg.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 19c45fb66238..4dc66d9f69cc 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -766,6 +766,13 @@ static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n)
msg_set_bits(m, 9, 0, 0xffff, n);
}
+static inline bool msg_peer_is_up(struct tipc_msg *m)
+{
+ if (likely(msg_user(m) != LINK_PROTOCOL) || (msg_type(m) == STATE_MSG))
+ return true;
+ return msg_redundant_link(m);
+}
+
struct sk_buff *tipc_buf_acquire(u32 size);
bool tipc_msg_validate(struct sk_buff *skb);
bool tipc_msg_reverse(u32 own_addr, struct sk_buff *buf, u32 *dnode,