[PATCH] nscd: avoid assertion failure during persistent db check

[Florian Weimer]

* Andreas Schwab:

> nscd should not abort when it finds inconsistencies in the persistent db.
>
> 	* nscd/connections.c (check_use): Don't abort on invalid len.
> ---
>  nscd/connections.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/nscd/connections.c b/nscd/connections.c
> index 47fbb9923a..9818200764 100644
> --- a/nscd/connections.c
> +++ b/nscd/connections.c
> @@ -304,7 +304,8 @@ static int
>  check_use (const char *data, nscd_ssize_t first_free, uint8_t *usemap,
>  	   enum usekey use, ref_t start, size_t len)
>  {
> -  assert (len >= 2);
> +  if (len < 2)
> +    return 0;

This looks okay to me.  (nscd_init logs a message if verification of a
persistent database fails.)

Thanks,
Florian