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usb: gadget: dummy_hcd: Fix error path

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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: Rahul Ruikar <rahul.ruikar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rahul Ruikar 2010-10-07 09:40:45 +05:30 committed by Greg Kroah-Hartman
parent 7b3a766c7b
commit 75d87cdf3c
1 changed files with 5 additions and 3 deletions
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8
drivers/usb/gadget/dummy_hcd.c
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@ -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);