Re: [PATCH] conf: Add missing return in conf_nat(), fix --map-guest-addr none

[David Gibson <david@gibson.dropbear.id.au>]

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On Tue, Apr 08, 2025 at 08:03:07AM +0200, Stefano Brivio wrote:
> As reported by somebody on IRC:
> 
>   $ pasta --map-guest-addr none
>   Invalid address to remap to host: none
> 
> that's because once we parsed "none", we try to parse it as an address
> as well. But we already handled it, so stop once we're done.
> 
> Fixes: e813a4df7da2 ("conf: Allow address remapped to host to be configured")
> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
>  conf.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/conf.c b/conf.c
> index b54c55d..168646f 100644
> --- a/conf.c
> +++ b/conf.c
> @@ -1272,6 +1272,8 @@ static void conf_nat(const char *arg, struct in_addr *addr4,
>  		*addr6 = in6addr_any;
>  		if (no_map_gw)
>  			*no_map_gw = 1;
> +
> +		return;
>  	}
>  
>  	if (inet_pton(AF_INET6, arg, addr6)	&&

-- 
David Gibson (he or they)	| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you, not the other way
				| around.
http://www.ozlabs.org/~dgibson

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