From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin King Subject: [PATCH] netfilter: remove redundant check on ret being non-zero Date: Tue, 28 Feb 2017 11:31:15 +0000 Message-ID: <20170228113115.19888-1-colin.king@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org To: Pablo Neira Ayuso , Jozsef Kadlecsik , "David S . Miller" , Alexey Kuznetsov , James Morris , Hideaki YOSHIFUJI , Patrick McHardy , netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Colin Ian King ret is initialized to zero and if it is set to non-zero in the xt_entry_foreach loop then we exit via the out_free label. Hence the check for ret being non-zero is redundant and can be removed. Detected by CoverityScan, CID#1357132 ("Logically Dead Code") Signed-off-by: Colin Ian King --- net/ipv4/netfilter/arp_tables.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 6241a81..f17dab1 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -562,8 +562,6 @@ static int translate_table(struct xt_table_info *newinfo, void *entry0, XT_ERROR_TARGET) == 0) ++newinfo->stacksize; } - if (ret != 0) - goto out_free; ret = -EINVAL; if (i != repl->num_entries) -- 2.10.2