diff options
Diffstat (limited to 'drivers/usb/gadget/function/f_acm.c')
-rw-r--r-- | drivers/usb/gadget/function/f_acm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index 6da4685490ef..aad8165e98ef 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c | |||
@@ -433,12 +433,12 @@ static int acm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) | |||
433 | dev_vdbg(&cdev->gadget->dev, | 433 | dev_vdbg(&cdev->gadget->dev, |
434 | "reset acm control interface %d\n", intf); | 434 | "reset acm control interface %d\n", intf); |
435 | usb_ep_disable(acm->notify); | 435 | usb_ep_disable(acm->notify); |
436 | } else { | 436 | } |
437 | dev_vdbg(&cdev->gadget->dev, | 437 | |
438 | "init acm ctrl interface %d\n", intf); | 438 | if (!acm->notify->desc) |
439 | if (config_ep_by_speed(cdev->gadget, f, acm->notify)) | 439 | if (config_ep_by_speed(cdev->gadget, f, acm->notify)) |
440 | return -EINVAL; | 440 | return -EINVAL; |
441 | } | 441 | |
442 | usb_ep_enable(acm->notify); | 442 | usb_ep_enable(acm->notify); |
443 | acm->notify->driver_data = acm; | 443 | acm->notify->driver_data = acm; |
444 | 444 | ||