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From: Stephen Hemminger <stephen@networkplumber.org>
To: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 1/1] lib: Align naming rules with the kernel
Date: Fri, 12 Dec 2025 13:55:23 +0900	[thread overview]
Message-ID: <20251212135523.432c07a9@stephen-xps.local> (raw)
In-Reply-To: <20251212042611.786603-2-mail@christoph.anton.mitterer.name>

On Fri, 12 Dec 2025 05:18:13 +0100
Christoph Anton Mitterer <mail@christoph.anton.mitterer.name> wrote:

> This aligns the naming rules with those of the kernel as set in the
> `dev_valid_name()`-function in `net/core/dev.c`.
> 
> It also affects the validity of altnames.
> 
> Signed-off-by: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>
> ---
>  lib/utils.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/utils.c b/lib/utils.c
> index 0719281a..e4e5f337 100644
> --- a/lib/utils.c
> +++ b/lib/utils.c
> @@ -851,8 +851,10 @@ static int __check_ifname(const char *name)
>  {
>  	if (*name == '\0')
>  		return -1;
> +	if (!strcmp(name, ".") || !strcmp(name, ".."))
> +		return -1;
>  	while (*name) {
> -		if (*name == '/' || isspace(*name))
> +		if (*name == '/' || *name == ':' || isspace(*name))

Do you check that this didn't break the legacy ifalias stuff?

  reply	other threads:[~2025-12-12  4:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-12  4:18 [PATCH 0/1] lib: Align naming rules with the kernel Christoph Anton Mitterer
2025-12-12  4:18 ` [PATCH 1/1] " Christoph Anton Mitterer
2025-12-12  4:55   ` Stephen Hemminger [this message]
2025-12-12  5:32     ` Christoph Anton Mitterer
2025-12-12  5:03 ` [PATCH 0/1] " Stephen Hemminger
     [not found]   ` <28a0486bd08d59f8f2e758f73a39bd442547197f.camel@christoph.anton.mitterer.name>
     [not found]     ` <20251213092004.079f9cbe@stephen-xps.local>
2025-12-13  1:48       ` Christoph Anton Mitterer

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