components/bt: Fix memory leak about rfcomm

components/bt/bluedroid/main/bte_init.c

@@ -366,4 +366,9 @@ void BTE_DeinitStack(void)
 #if (defined(A2D_INCLUDED) && A2D_INCLUDED == TRUE)
     A2D_Deinit();
 #endif
+
+#if (defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE)
+    RFCOMM_Deinit();
+#endif
+
 }

components/bt/bluedroid/stack/include/stack/port_api.h

@@ -623,6 +623,17 @@ extern int PORT_Test (UINT16 handle, UINT8 *p_data, UINT16 len);
 *******************************************************************************/
 extern void RFCOMM_Init (void);
 
+/*******************************************************************************
+**
+** Function         RFCOMM_Deinit
+**
+** Description      This function is called to deinitialize the control block
+**                  for this layer.
+**
+** Returns          void
+**
+*******************************************************************************/
+extern void RFCOMM_Deinit(void);
 
 /*******************************************************************************
 **

components/bt/bluedroid/stack/rfcomm/port_api.c

@@ -1729,6 +1729,26 @@ void RFCOMM_Init (void)
     rfcomm_l2cap_if_init ();
 }
 
+/*******************************************************************************
+**
+** Function         RFCOMM_Deinit
+**
+** Description      This function is called to deinitialize the control block
+**                  for this layer.
+**
+** Returns          void
+**
+*******************************************************************************/
+void RFCOMM_Deinit(void)
+{
+#if RFC_DYNAMIC_MEMORY == TRUE
+    if (rfc_cb_ptr){
+        osi_free(rfc_cb_ptr);
+        rfc_cb_ptr = NULL;
+    }
+#endif
+}
+
 /*******************************************************************************
 **
 ** Function         PORT_SetTraceLevel