diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-11-12 10:29:34 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-11-12 17:53:30 +1000 |
| commit | 51b44eb17b8ec6c83eac7772b4c8bc5887c5fbf7 (patch) | |
| tree | 4125e1888cbc215ec4a365457505a407f48e5232 /drivers/usb/gadget/udc/udc-core.c | |
| parent | cc7096fb6d1dfbdac5e7e2675c046fd40646cc66 (diff) | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
Merge tag 'v3.18-rc4' into drm-next
backmerge to get vmwgfx locking changes into next as the
conflict with per-plane locking.
Diffstat (limited to 'drivers/usb/gadget/udc/udc-core.c')
| -rw-r--r-- | drivers/usb/gadget/udc/udc-core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index f107bb60a5ab..f2054659f25b 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -507,6 +507,11 @@ static ssize_t usb_udc_softconn_store(struct device *dev, { struct usb_udc *udc = container_of(dev, struct usb_udc, dev); + if (!udc->driver) { + dev_err(dev, "soft-connect without a gadget driver\n"); + return -EOPNOTSUPP; + } + if (sysfs_streq(buf, "connect")) { usb_gadget_udc_start(udc->gadget, udc->driver); usb_gadget_connect(udc->gadget); |