linux-kernel - Re: [PATCH] usb: gadget: amd5536udc: Fix error path

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Date:	Mon, 04 Oct 2010 14:15:45 +0200
From:	Thomas Dahlmann <dahlmann.thomas@...or.de>
To:	Rahul Ruikar <rahul.ruikar@...il.com>
CC:	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-geode@...ts.infradead.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: gadget: amd5536udc: Fix error path

ACK

Thanks for the fix!

Thomas


On 10/2/2010 9:10 AM, Rahul Ruikar wrote:
> In function udc_probe()
> call put_device() when device_register() fails.
>
> Signed-off-by: Rahul Ruikar<rahul.ruikar@...il.com>
> ---
>   drivers/usb/gadget/amd5536udc.c |    4 +++-
>   1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
> index 731150d4..950ee33 100644
> --- a/drivers/usb/gadget/amd5536udc.c
> +++ b/drivers/usb/gadget/amd5536udc.c
> @@ -3382,8 +3382,10 @@ static int udc_probe(struct udc *dev)
>   	udc = dev;
>
>   	retval = device_register(&dev->gadget.dev);
> -	if (retval)
> +	if (retval) {
> +		put_device(&dev->gadget.dev);
>   		goto finished;
> +	}
>
>   	/* timer init */
>   	init_timer(&udc_timer);
>    

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