netfilter: xt_CT: Remove redundant assignment to ret

Variable 'ret' is set to zero but this value is never read as it is
overwritten with a new value later on, hence it is a redundant
assignment and can be removed

Clean up the following clang-analyzer warning:

net/netfilter/xt_CT.c:175:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index d4deee3..12404d2 100644 (file)
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -172,7 +172,6 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par,
                goto err2;
        }
 
-       ret = 0;
        if ((info->ct_events || info->exp_events) &&
            !nf_ct_ecache_ext_add(ct, info->ct_events, info->exp_events,
                                  GFP_KERNEL)) {