diff options
Diffstat (limited to 'drivers/usb/gadget/composite.c')
| -rw-r--r-- | drivers/usb/gadget/composite.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 91411a6d741b..402e5bd8b3e5 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -32,7 +32,6 @@ #define USB_BUFSIZ 1024 static struct usb_composite_driver *composite; -static int (*composite_gadget_bind)(struct usb_composite_dev *cdev); /* Some systems will need runtime overrides for the product identifiers * published in the device descriptor, either numbers or strings or both. @@ -1468,7 +1467,7 @@ static int composite_bind(struct usb_gadget *gadget) * serial number), register function drivers, potentially update * power state and consumption, etc */ - status = composite_gadget_bind(cdev); + status = composite->bind(cdev); if (status < 0) goto fail; @@ -1621,7 +1620,9 @@ static struct usb_gadget_driver composite_driver = { int usb_composite_probe(struct usb_composite_driver *driver, int (*bind)(struct usb_composite_dev *cdev)) { - if (!driver || !driver->dev || !bind || composite) + if (!driver || !driver->dev || composite) + return -EINVAL; + if (!bind && !driver->bind) return -EINVAL; if (!driver->name) @@ -1632,7 +1633,8 @@ int usb_composite_probe(struct usb_composite_driver *driver, composite_driver.driver.name = driver->name; composite_driver.max_speed = driver->max_speed; composite = driver; - composite_gadget_bind = bind; + if (!driver->bind) + driver->bind = bind; return usb_gadget_probe_driver(&composite_driver, composite_bind); } |