Re: drivers/md/dm-cache-metadata.c:1705:9: warning: 'strncpy' specified bound 16 equals destination size

[Miguel Ojeda]

On Thu, Sep 28, 2023 at 12:24 AM kernel test robot <lkp@xxxxxxxxx> wrote:
>
>    In function 'write_hints',
>        inlined from 'dm_cache_write_hints' at drivers/md/dm-cache-metadata.c:1729:6:
> >> drivers/md/dm-cache-metadata.c:1705:9: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation]
>     1705 |         strncpy(cmd->policy_name, policy_name, sizeof(cmd->policy_name));
>          |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This looks fine given the check above it. In any case, since it
appears the code wants to terminate the string, this should use
`strscpy*()`, right?

Cheers,
Miguel