Thread (18 messages) flat view 18 messages, 2 authors, 2021-06-02
STALE1921d

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[PATCH net-next 07/16] netfilter: xt_CT: Remove redundant assignment to ret

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2021-06-01 22:06:51
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Yang Li <redacted>

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 <redacted>
Signed-off-by: Yang Li <redacted>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/xt_CT.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index d4deee39158b..12404d221026 100644
--- 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)) {
-- 
2.30.2
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