linux-kernel - Re: [PATCH v2] netlabel: remove unused param from audit_log

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Message-ID: <CAHC9VhSTqJ9YF4CP=U9xhP15j_-yEf5JnGFcxpu_NZfnxijP2w@mail.gmail.com>
Date:   Fri, 28 Aug 2020 10:35:45 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] netlabel: remove unused param from audit_log_format()

On Fri, Aug 28, 2020 at 9:56 AM Alex Dewar <alex.dewar90@...il.com> wrote:
>
> Commit d3b990b7f327 ("netlabel: fix problems with mapping removal")
> added a check to return an error if ret_val != 0, before ret_val is
> later used in a log message. Now it will unconditionally print "...
> res=1". So just drop the check.
>
> Addresses-Coverity: ("Dead code")
> Fixes: d3b990b7f327 ("netlabel: fix problems with mapping removal")
> Signed-off-by: Alex Dewar <alex.dewar90@...il.com>
> ---
> v2: Still print the res field, because it's useful (Paul)
>
>  net/netlabel/netlabel_domainhash.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)

Thanks Alex.

Acked-by: Paul Moore <paul@...l-moore.com>

> diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
> index f73a8382c275e..dc8c39f51f7d3 100644
> --- a/net/netlabel/netlabel_domainhash.c
> +++ b/net/netlabel/netlabel_domainhash.c
> @@ -612,9 +612,8 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry,
>         audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_DEL, audit_info);
>         if (audit_buf != NULL) {
>                 audit_log_format(audit_buf,
> -                                " nlbl_domain=%s res=%u",
> -                                entry->domain ? entry->domain : "(default)",
> -                                ret_val == 0 ? 1 : 0);
> +                                " nlbl_domain=%s res=1",
> +                                entry->domain ? entry->domain : "(default)");
>                 audit_log_end(audit_buf);
>         }
>
> --
> 2.28.0
>


-- 
paul moore
www.paul-moore.com