diff options
Diffstat (limited to 'drivers/usb/mon/mon_text.c')
| -rw-r--r-- | drivers/usb/mon/mon_text.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index c302e1983c70..1c3afcc11bd9 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -670,6 +670,9 @@ int mon_text_add(struct mon_bus *mbus, const struct usb_bus *ubus) 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) @@ -740,12 +743,12 @@ int __init mon_text_init(void) 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; |