yemai/CherryUSB
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update: check class->hport validity

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

7
class/cdc/usbh_cdc_ncm.c
View File

@@ -33,9 +33,14 @@ static struct usbh_cdc_ncm g_cdc_ncm_class;
static int usbh_cdc_ncm_get_ntb_parameters(struct usbh_cdc_ncm *cdc_ncm_class, struct cdc_ncm_ntb_parameters *param)
{
struct usb_setup_packet *setup = cdc_ncm_class->hport->setup;
struct usb_setup_packet *setup;
int ret;
if (!cdc_ncm_class || !cdc_ncm_class->hport) {
return -USB_ERR_INVAL;
}
setup = cdc_ncm_class->hport->setup;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = CDC_REQUEST_GET_NTB_PARAMETERS;
setup->wValue = 0;