fjpanag commented on code in PR #7525:
URL: https://github.com/apache/nuttx/pull/7525#discussion_r1038787720
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net/tcp/tcp_conn.c:
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@@ -836,10 +863,25 @@ void tcp_free(FAR struct tcp_conn_s *conn)
}
#endif
- /* Mark the connection available and put it into the free list */
+ /* Mark the connection available. */
conn->tcpstateflags = TCP_CLOSED;
- dq_addlast(&conn->sconn.node, &g_free_tcp_connections);
+
+ /* Check if this is a preallocated connection to store it in the free
+ * connections list, else deallocate it.
+ */
+
+#ifdef CONFIG_NET_ALLOC_CONNS
+ if ((conn->flags & TCP_PREALLOC) == 0)
+ {
+ kmm_free(conn);
Review Comment:
It doesn't matter. The preallocated connections are never free'd, and they
are the only ones allocated in a batch.
The later connections, that are actually free'd, are also allocated
one-by-one as needed.
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