int busnum = ubus? ubus->busnum: 0;
int rc;
+ if (mon_dir == NULL)
+ return 0;
+
if (ubus != NULL) {
rc = snprintf(name, NAMESZ, "%dt", busnum);
if (rc <= 0 || rc >= NAMESZ)
mondir = debugfs_create_dir("usbmon", usb_debug_root);
if (IS_ERR(mondir)) {
- printk(KERN_NOTICE TAG ": debugfs is not available\n");
- return -ENODEV;
+ /* debugfs not available, but we can use usbmon without it */
+ return 0;
}
if (mondir == NULL) {
printk(KERN_NOTICE TAG ": unable to create usbmon directory\n");
- return -ENODEV;
+ return -ENOMEM;
}
mon_dir = mondir;
return 0;