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path: root/drivers/usb/gadget/function/f_acm.c
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Diffstat (limited to 'drivers/usb/gadget/function/f_acm.c')
-rw-r--r--drivers/usb/gadget/function/f_acm.c8
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