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

check intf num when arg is valid

Browse Source
This commit is contained in:
sakimisu
2023-06-06 22:22:46 +08:00
parent ccf97b35e3
commit 85a494326a
1 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
core/usbd_core.c
View File

@@ -950,8 +950,15 @@ static void usbd_class_event_notify_handler(uint8_t event, void *arg)
{
struct usbd_interface *intf = usb_slist_entry(i, struct usbd_interface, list);
if (intf->notify_handler) {
intf->notify_handler(event, arg);
if (arg) {
struct usb_interface_descriptor *desc = (struct usb_interface_descriptor *)arg;
if (intf->notify_handler && (desc->bInterfaceNumber == (intf->intf_num))) {
intf->notify_handler(event, arg);
}
} else {
if (intf->notify_handler) {
intf->notify_handler(event, arg);
}
}
}
}