On Wed, Oct 12, 2022 at 09:23:14AM +1300, Paulo Miguel Almeida wrote:
> One-element arrays are deprecated. So, replace one-element array with
> fixed size array member in struct dlm_ls, and refactor the rest of the
> code, accordingly.
> 
> Link: https://github.com/KSPP/linux/issues/79
> Link: https://github.com/KSPP/linux/issues/228
> Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836
> Link: https://lore.kernel.org/lkml/y0w5jkixukpnl...@mail.google.com/
> 
> Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rode...@gmail.com>

Reviewed-by: Gustavo A. R. Silva <gustavo...@kernel.org>

Thanks!
--
Gustavo

> ---
> Changelog:
> 
> v5: use preferred sizeof style. Req: Gustavo Silva
> v4: resend patch using the right version number. Req: Gustavo Silva
> v3: replace one-element array with a fixed size array. Req: Kees Cook
> v2: patch resent as I had an issue with a <CRLF> char in my mail client
> v1: https://lore.kernel.org/lkml/y0icbf8tctxmn...@mail.google.com/
> ---
> 
>  fs/dlm/dlm_internal.h | 2 +-
>  fs/dlm/lockspace.c    | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
> index e34c3d2639a5..94fadb619ba0 100644
> --- a/fs/dlm/dlm_internal.h
> +++ b/fs/dlm/dlm_internal.h
> @@ -670,7 +670,7 @@ struct dlm_ls {
>       void                    *ls_ops_arg;
>  
>       int                     ls_namelen;
> -     char                    ls_name[1];
> +     char                    ls_name[DLM_LOCKSPACE_LEN + 1];
>  };
>  
>  /*
> diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
> index bae050df7abf..9479c8110979 100644
> --- a/fs/dlm/lockspace.c
> +++ b/fs/dlm/lockspace.c
> @@ -473,7 +473,7 @@ static int new_lockspace(const char *name, const char 
> *cluster,
>  
>       error = -ENOMEM;
>  
> -     ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_NOFS);
> +     ls = kzalloc(sizeof(*ls), GFP_NOFS);
>       if (!ls)
>               goto out;
>       memcpy(ls->ls_name, name, namelen);
> -- 
> 2.37.3
> 

Reply via email to