Re: [PATCH net-next] net: dns_resolver: allow shorter names in dns_query()

On 7/22/26 4:28 PM, Paulo Alcantara wrote:
> Customer reported a problem with mounting CIFS shares where the server
> hostname was 2 chars long.  Turned out that the CIFS client wasn't
> able to resolve NetBIOS names shorter than 3 chars.
>
> Fix this by allowing a minimum of one character per hostname in
> dns_query().
>
> Reproducer with samba server:
>
>    # 'ab' and 'srv' hotnames resolve to same ip address
>    $ ssh srv ln -s 'msdfs:\\ab\\share' /home/shares/dfs/link1
>    $ mount.cifs //srv/dfs/link1 /mnt -o ... [EINVAL]
>
> Reported-by: Pierguido Lambri <[email protected]>
> Signed-off-by: Paulo Alcantara <[email protected]>
>   		return -EINVAL;

Acked-by: Frank Sorenson <[email protected]>