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update: check class->hport validity

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This commit is contained in:
sakumisu
2024-06-23 14:16:57 +08:00
parent 69fe1598ed
commit 755d067650
15 changed files with 301 additions and 51 deletions
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7
class/msc/usbh_msc.c
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@@ -46,7 +46,12 @@ static void usbh_msc_class_free(struct usbh_msc *msc_class)
static int usbh_msc_get_maxlun(struct usbh_msc *msc_class, uint8_t *buffer)
{
struct usb_setup_packet *setup = msc_class->hport->setup;
struct usb_setup_packet *setup;
if (!msc_class || !msc_class->hport) {
return -USB_ERR_INVAL;
}
setup = msc_class->hport->setup;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = MSC_REQUEST_GET_MAX_LUN;