netdev - Re: [PATCH v2] CDC NCM: release interfaces fix in unbind()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 18 May 2011 10:54:36 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Alexey Orishko <alexey.orishko@...il.com>
cc:	netdev@...r.kernel.org, <davem@...emloft.net>, <oliver@...kum.org>,
	<linux-usb@...r.kernel.org>, <gregkh@...e.de>,
	Alexey Orishko <alexey.orishko@...ricsson.com>
Subject: Re: [PATCH v2] CDC NCM: release interfaces fix in unbind()

On Tue, 17 May 2011, Alexey Orishko wrote:

> Changes:
> - claim slave/data interface during bind() and release in
>  unbind() unconditionally
> - in case of error during bind(), release claimed data
>  interface in the same function
> - remove obsolited "*_claimed" entries from driver context

...

> @@ -572,42 +559,32 @@ advance:
>  		goto error;
>  
>  	/* claim interfaces, if any */
> -	if (ctx->data != intf) {
> -		temp = usb_driver_claim_interface(driver, ctx->data, dev);
> -		if (temp)
> -			goto error;
> -		ctx->data_claimed = 1;
> -	}
> -
> -	if (ctx->control != intf) {
> -		temp = usb_driver_claim_interface(driver, ctx->control, dev);
> -		if (temp)
> -			goto error;
> -		ctx->control_claimed = 1;
> -	}
> +	temp = usb_driver_claim_interface(driver, ctx->data, dev);
> +	if (temp)
> +		goto error;

Here and later on, the patch seems to have forgotten about the control 
interface.  Is this deliberate or an oversight?

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html