netdev - [PATCH net-next 02/12] netfilter: nf_log: consolidate check for NULL logger in lookup function

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Message-ID: <20240221112637.5396-3-fw@strlen.de>
Date: Wed, 21 Feb 2024 12:26:04 +0100
From: Florian Westphal <fw@...len.de>
To: <netdev@...r.kernel.org>
Cc: Paolo Abeni <pabeni@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	<netfilter-devel@...r.kernel.org>,
	Pablo Neira Ayuso <pablo@...filter.org>
Subject: [PATCH net-next 02/12] netfilter: nf_log: consolidate check for NULL logger in lookup function

From: Pablo Neira Ayuso <pablo@...filter.org>

Consolidate pointer fetch to logger and check for NULL in
__find_logger().

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Florian Westphal <fw@...len.de>
---
 net/netfilter/nf_log.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index e16f158388bb..e0bfeb75766f 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -31,10 +31,10 @@ static struct nf_logger *__find_logger(int pf, const char *str_logger)
 	int i;
 
 	for (i = 0; i < NF_LOG_TYPE_MAX; i++) {
-		if (loggers[pf][i] == NULL)
+		log = nft_log_dereference(loggers[pf][i]);
+		if (!log)
 			continue;
 
-		log = nft_log_dereference(loggers[pf][i]);
 		if (!strncasecmp(str_logger, log->name, strlen(log->name)))
 			return log;
 	}
-- 
2.43.0