Re: [PATCH 3/3] overlay: fix mount parameters check for empty values

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On Thu, Feb 29, 2024 at 04:30:10PM +0000, Luis Henriques wrote:
> Now that parameters that have the flag 'fs_param_can_be_empty' set and
> their value is NULL are handled as 'flag' type, we need to properly check
> for empty (NULL) values.
> 
> Signed-off-by: Luis Henriques <lhenriques@xxxxxxx>
> ---
>  fs/overlayfs/params.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c
> index 112b4b12f825..09428af6abc5 100644
> --- a/fs/overlayfs/params.c
> +++ b/fs/overlayfs/params.c
> @@ -441,7 +441,7 @@ static int ovl_parse_param_lowerdir(const char *name, struct fs_context *fc)
>  	/* drop all existing lower layers */
>  	ovl_reset_lowerdirs(ctx);
>  
> -	if (!*name)
> +	if (!name)

Same comment/qestion as on ext4 patch.




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