[net][sal] Fix not clean event issue after poll get the error event in lwIP.
@@ -273,6 +273,8 @@ static int inet_poll(struct dfs_fd *file, struct rt_pollreq *req)
if (sock->errevent)
{
mask |= POLLERR;
+ /* clean error event */
+ sock->errevent = 0;
}
rt_hw_interrupt_enable(level);
}
