if it never fails it should return void

On 7/8/21, Kristof Provost <k...@freebsd.org> wrote:
> The branch main has been updated by kp:
>
> URL:
> https://cgit.FreeBSD.org/src/commit/?id=fa96701c8abbc29aad7f8f8d6b823bd7f89c6c15
>
> commit fa96701c8abbc29aad7f8f8d6b823bd7f89c6c15
> Author:     Kristof Provost <k...@freebsd.org>
> AuthorDate: 2021-07-05 12:21:03 +0000
> Commit:     Kristof Provost <k...@freebsd.org>
> CommitDate: 2021-07-08 08:32:42 +0000
>
>     pf: Handle errors returned by pf_killstates()
>
>     Happily this wasn't a real bug, because pf_killstates() never fails,
> but
>     we should check the return value anyway, in case it does ever start
>     returning errors.
>
>     Reported by:    clang --analyze
>     MFC after:      1 week
>     Sponsored by:   Rubicon Communications, LLC ("Netgate")
> ---
>  sys/netpfil/pf/pf_ioctl.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/sys/netpfil/pf/pf_ioctl.c b/sys/netpfil/pf/pf_ioctl.c
> index 19b92e932052..fece41e917e5 100644
> --- a/sys/netpfil/pf/pf_ioctl.c
> +++ b/sys/netpfil/pf/pf_ioctl.c
> @@ -4887,6 +4887,8 @@ pf_killstates_nv(struct pfioc_nv *nv)
>               ERROUT(error);
>
>       error = pf_killstates(&kill, &killed);
> +     if (error)
> +             ERROUT(error);
>
>       free(nvlpacked, M_NVLIST);
>       nvlpacked = NULL;
>


-- 
Mateusz Guzik <mjguzik gmail.com>
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