linux-kernel - Re: [PATCH v3][next] tty: tty_buffer: Avoid hundreds of -Wflex-array-member-not-at-end warnings

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Message-ID: <2025020633-irritate-boogieman-4c35@gregkh>
Date: Thu, 6 Feb 2025 05:40:55 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Jiri Slaby <jirislaby@...nel.org>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3][next] tty: tty_buffer: Avoid hundreds of
 -Wflex-array-member-not-at-end warnings

On Thu, Feb 06, 2025 at 02:09:45PM +1030, Gustavo A. R. Silva wrote:
> diff --git a/include/linux/tty_buffer.h b/include/linux/tty_buffer.h
> index 31125e3be3c5..80a9d7832c97 100644
> --- a/include/linux/tty_buffer.h
> +++ b/include/linux/tty_buffer.h
> @@ -7,7 +7,7 @@
>  #include <linux/mutex.h>
>  #include <linux/workqueue.h>
>  
> -struct tty_buffer {
> +struct tty_buffer_hdr {
>  	union {
>  		struct tty_buffer *next;
>  		struct llist_node free;
> @@ -15,9 +15,13 @@ struct tty_buffer {
>  	unsigned int used;
>  	unsigned int size;
>  	unsigned int commit;
> -	unsigned int lookahead;		/* Lazy update on recv, can become less than "read" */
> +	unsigned int lookahead; /* Lazy update on recv, can become less than "read" */

Coding style change?