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-rw-r--r--net/tipc/port.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/tipc/port.h b/net/tipc/port.h
index 3f93454592b6..3087da39ee47 100644
--- a/net/tipc/port.h
+++ b/net/tipc/port.h
@@ -179,9 +179,12 @@ static inline int tipc_port_importance(struct tipc_port *port)
return msg_importance(&port->phdr);
}
-static inline void tipc_port_set_importance(struct tipc_port *port, int imp)
+static inline int tipc_port_set_importance(struct tipc_port *port, int imp)
{
+ if (imp > TIPC_CRITICAL_IMPORTANCE)
+ return -EINVAL;
msg_set_importance(&port->phdr, (u32)imp);
+ return 0;
}
#endif