linux-kernel - Re: [PATCH] overlayfs: print format optimization

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Date:   Wed, 22 Jan 2020 08:51:54 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     liuyang34 <yangliuxm34@...il.com>, Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Alex Dewar <alex.dewar@....co.uk>,
        linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-unionfs@...r.kernel.org
Cc:     liuyang34 <liuyang34@...omi.com>
Subject: Re: [PATCH] overlayfs: print format optimization


> diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
> index 44def53..54246b7 100644
> --- a/arch/um/os-Linux/umid.c
> +++ b/arch/um/os-Linux/umid.c
> @@ -349,7 +349,7 @@ int __init umid_file_name(char *name, char *buf, int len)
>  	if (err)
>  		return err;
>  
> -	n = snprintf(buf, len, "%s%s/%s", uml_dir, umid, name);
> +	n = snddprintf(buf, len, "%s%s/%s", uml_dir, umid, name);
>  	if (n >= len) {

Huh, what's this?

johannes