linux-kernel - Re: [PATCH] net: usb: hso.c: remove unneeded DRIVER

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]

Message-ID: <1511370336.6989.100.camel@perches.com>
Date:   Wed, 22 Nov 2017 09:05:36 -0800
From:   Joe Perches <joe@...ches.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        netdev@...r.kernel.org, Julia Lawall <julia.lawall@...6.fr>,
        cocci <cocci@...teme.lip6.fr>, outreachy-kernel@...glegroups.com
Cc:     "David S. Miller" <davem@...emloft.net>,
        Andreas Kemnade <andreas@...nade.info>,
        Johan Hovold <johan@...nel.org>, linux-kernel@...r.kernel.org,
        Philippe Ombredanne <pombredanne@...b.com>,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH] net: usb: hso.c: remove unneeded DRIVER_LICENSE #define

On Fri, 2017-11-17 at 15:19 +0100, Greg Kroah-Hartman wrote:
> There is no need to #define the license of the driver, just put it in
> the MODULE_LICENSE() line directly as a text string.
> 
> This allows tools that check that the module license matches the source
> code license to work properly, as there is no need to unwind the
> unneeded dereference.
[]
> diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
[]
> @@ -76,7 +76,6 @@
>  
>  #define MOD_AUTHOR			"Option Wireless"
>  #define MOD_DESCRIPTION			"USB High Speed Option driver"
> -#define MOD_LICENSE			"GPL"
>  
>  #define HSO_MAX_NET_DEVICES		10
>  #define HSO__MAX_MTU			2048
> @@ -3288,7 +3287,7 @@ module_exit(hso_exit);
>  
>  MODULE_AUTHOR(MOD_AUTHOR);
>  MODULE_DESCRIPTION(MOD_DESCRIPTION);
> -MODULE_LICENSE(MOD_LICENSE);
> +MODULE_LICENSE("GPL");

Probably all of these MODULE_<FOO>(MOD_<BAR>) uses could be
simplified as well.

Perhaps there's utility in a (cocci?) script that looks for
used-once
macro #defines in various types of macros.