netfilter: arp_tables: remove redundant check on ret being non-zero
authorColin Ian King <colin.king@canonical.com>
Tue, 28 Feb 2017 11:31:15 +0000 (11:31 +0000)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 6 Mar 2017 17:04:37 +0000 (18:04 +0100)
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 <colin.king@canonical.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/ipv4/netfilter/arp_tables.c

index 6241a81fd7f5a3df8fb3cf251bfdd407dda6a1f6..f17dab1dee6e171148a386302081188c0e83ee5d 100644 (file)
@@ -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)