linux-kernel - Re: [PATCH v2] USB: serial: usb_wwan: replace DTR/RTS magic numbers with macros

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: <YtmYWbRtbNvph6lF@kroah.com>
Date:   Thu, 21 Jul 2022 20:18:01 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Yan Xinyu <sdlyyxy@...t.edu.cn>
Cc:     johan@...nel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] USB: serial: usb_wwan: replace DTR/RTS magic numbers
 with macros

On Thu, Jul 21, 2022 at 11:52:57PM +0800, Yan Xinyu wrote:
> The usb_wwan_send_setup function generates DTR/RTS signals in compliance
> with CDC ACM standard. This patch changes magic numbers in this function
> to equivalent macros.
> 
> Signed-off-by: Yan Xinyu <sdlyyxy@...t.edu.cn>
> ---
> v1->v2:
>  * Fix Signed-off-by name.
> ---
>  drivers/usb/serial/usb_wwan.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
> index dab38b63eaf7..a6bd6144702d 100644
> --- a/drivers/usb/serial/usb_wwan.c
> +++ b/drivers/usb/serial/usb_wwan.c
> @@ -29,10 +29,14 @@
>  #include <linux/bitops.h>
>  #include <linux/uaccess.h>
>  #include <linux/usb.h>
> +#include <linux/usb/cdc.h>
>  #include <linux/usb/serial.h>
>  #include <linux/serial.h>
>  #include "usb-wwan.h"
>  
> +#define ACM_CTRL_DTR 0x01
> +#define ACM_CTRL_RTS 0x02

Why are these not in the cdc.h file already?

thanks,

greg k-h