提交 75d87cdf 编写于 作者: R Rahul Ruikar 提交者: Greg Kroah-Hartman

usb: gadget: dummy_hcd: Fix error path

In function dummy_udc_probe()
call put_device() when device_register() fails.
also usb_get_hcd() put before device_register() after review comment
from Alan Stern.
Signed-off-by: NRahul Ruikar <rahul.ruikar@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 7b3a766c
......@@ -874,6 +874,8 @@ static int dummy_udc_probe (struct platform_device *pdev)
struct dummy *dum = the_controller;
int rc;
usb_get_hcd(dummy_to_hcd(dum));
dum->gadget.name = gadget_name;
dum->gadget.ops = &dummy_ops;
dum->gadget.is_dualspeed = 1;
......@@ -885,10 +887,10 @@ static int dummy_udc_probe (struct platform_device *pdev)
dum->gadget.dev.parent = &pdev->dev;
dum->gadget.dev.release = dummy_gadget_release;
rc = device_register (&dum->gadget.dev);
if (rc < 0)
if (rc < 0) {
put_device(&dum->gadget.dev);
return rc;
usb_get_hcd (dummy_to_hcd (dum));
}
platform_set_drvdata (pdev, dum);
rc = device_create_file (&dum->gadget.dev, &dev_attr_function);
......
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