USB: fix __must_check warnings in drivers/usb/core/
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 0d063c8..b104632 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -49,6 +49,7 @@
u32 idVendor = 0;
u32 idProduct = 0;
int fields = 0;
+ int retval = 0;
fields = sscanf(buf, "%x %x", &idVendor, &idProduct);
if (fields < 2)
@@ -68,10 +69,12 @@
spin_unlock(&usb_drv->dynids.lock);
if (get_driver(driver)) {
- driver_attach(driver);
+ retval = driver_attach(driver);
put_driver(driver);
}
+ if (retval)
+ return retval;
return count;
}
static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
@@ -291,6 +294,7 @@
{
struct device *dev = &iface->dev;
struct usb_device *udev = interface_to_usbdev(iface);
+ int retval = 0;
if (dev->driver)
return -EBUSY;
@@ -308,9 +312,9 @@
* the future device_add() bind it, bypassing probe()
*/
if (device_is_registered(dev))
- device_bind_driver(dev);
+ retval = device_bind_driver(dev);
- return 0;
+ return retval;
}
EXPORT_SYMBOL(usb_driver_claim_interface);