diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/function/f_accessory.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_accessory.c b/drivers/usb/gadget/function/f_accessory.c index a412f024d834..61dfceb336d6 100644 --- a/drivers/usb/gadget/function/f_accessory.c +++ b/drivers/usb/gadget/function/f_accessory.c @@ -887,6 +887,12 @@ int acc_ctrlrequest(struct usb_composite_dev *cdev, u16 w_length = le16_to_cpu(ctrl->wLength); unsigned long flags; + /* + * If instance is not created which is the case in power off charging + * mode, dev will be NULL. Hence return error if it is the case. + */ + if (!dev) + return -ENODEV; /* * printk(KERN_INFO "acc_ctrlrequest " * "%02x.%02x v%04x i%04x l%u\n", |