diff options
| -rw-r--r-- | class/hub/usbh_hub.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/class/hub/usbh_hub.c b/class/hub/usbh_hub.c index 008c600c..f414f1e9 100644 --- a/class/hub/usbh_hub.c +++ b/class/hub/usbh_hub.c @@ -373,6 +373,11 @@ static int usbh_hub_connect(struct usbh_hubport *hport, uint8_t intf) hub->tt_think = ((hub->hub_desc.wHubCharacteristics & HUB_CHAR_TTTT_MASK) >> 5); } + if (hub->nports > CONFIG_USBHOST_MAX_EHPORTS) { + USB_LOG_ERR("Hub nports %u overflow\r\n", hub->nports); + return -USB_ERR_NOMEM; + } + for (uint8_t port = 0; port < hub->nports; port++) { hub->child[port].port = port + 1; hub->child[port].parent = hub; |