RE: [PATCH -next] usb: gadget: f_ecm: fix missing unlock on error in ecm_alloc()

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On Tuesday, June 18, 2013 6:21 AM Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
> 
> Add the missing unlock before return from function ecm_alloc() in the
> error handling case.
> 
> Introduced by commit da92801c647cdebfd45001fd6aaecb8f0be7f56b.
> (usb: gadget: f_ecm: add configfs support)
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

Thank you for pointing this out,

Acked-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>

> ---
>  drivers/usb/gadget/f_ecm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c index
> fcafe1a..5d3561e 100644
> --- a/drivers/usb/gadget/f_ecm.c
> +++ b/drivers/usb/gadget/f_ecm.c
> @@ -1012,6 +1012,7 @@ struct usb_function *ecm_alloc(struct
> usb_function_instance *fi)
>  					  sizeof(ecm->ethaddr));
>  	if (status < 12) {
>  		kfree(ecm);
> +		mutex_unlock(&opts->lock);
>  		return ERR_PTR(-EINVAL);
>  	}
>  	ecm_string_defs[1].s = ecm->ethaddr;


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