lwip - Fixed handling of max sockets in socket_accept

geky · adbridge · commit db15a26d0400 · 2016-09-15T18:06:29.000+01:00
diff --git a/features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c b/features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c
@@ -313,6 +313,9 @@ static int lwip_socket_accept(nsapi_stack_t *stack, nsapi_socket_t *handle, nsap
 {
     struct lwip_socket *s = (struct lwip_socket *)server;
     struct lwip_socket *ns = lwip_arena_alloc();
+    if (!ns) {
+        return NSAPI_ERROR_NO_SOCKET;
+    }
 
     err_t err = netconn_accept(s->conn, &ns->conn);
     if (err != ERR_OK) {

Original file line number	Diff line number	Diff line change
`@@ -313,6 +313,9 @@ static int lwip_socket_accept(nsapi_stack_t stack, nsapi_socket_t handle, nsap`
`313`	`313`	`{`
`314`	`314`	`struct lwip_socket s = (struct lwip_socket )server;`
`315`	`315`	`struct lwip_socket *ns = lwip_arena_alloc();`
	`316`	`+ if (!ns) {`
	`317`	`+ return NSAPI_ERROR_NO_SOCKET;`
	`318`	`+ }`
`316`	`319`
`317`	`320`	`err_t err = netconn_accept(s->conn, &ns->conn);`
`318`	`321`	`if (err != ERR_OK) {`