net: tcp2: Check that connection exists in net_tcp_put()

jukkar · nashif · commit 0e49f5570ce5 · 2020-09-18T22:07:53.000-04:00
Unit test tests/net/tcp2/net.tcp2.simple might have conn set to
null so check it here.

Signed-off-by: Jukka Rissanen &lt;jukka.rissanen@linux.intel.com&gt;
diff --git a/subsys/net/ip/tcp2.c b/subsys/net/ip/tcp2.c
@@ -1436,6 +1436,10 @@ int net_tcp_put(struct net_context *context)
 {
 	struct tcp *conn = context->tcp;
 
+	if (!conn) {
+		return -ENOENT;
+	}
+
 	k_mutex_lock(&conn->lock, K_FOREVER);
 
 	NET_DBG("%s", conn ? log_strdup(tcp_conn_state(conn, NULL)) : "");

Original file line number	Diff line number	Diff line change
`@@ -1436,6 +1436,10 @@ int net_tcp_put(struct net_context *context)`
`1436`	`1436`	`{`
`1437`	`1437`	`struct tcp *conn = context->tcp;`
`1438`	`1438`
	`1439`	`+ if (!conn) {`
	`1440`	`+ return -ENOENT;`
	`1441`	`+ }`
	`1442`	`+`
`1439`	`1443`	`k_mutex_lock(&conn->lock, K_FOREVER);`
`1440`	`1444`
`1441`	`1445`	`NET_DBG("%s", conn ? log_strdup(tcp_conn_state(conn, NULL)) : "");`