netdev - [PATCH v2 7/9] net: rtmsg_to_fib6_config() - use new style struct initializer instead of memset

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Message-Id: <20180930064454.187537-7-zenczykowski@gmail.com>
Date:   Sat, 29 Sep 2018 23:44:52 -0700
From:   "Maciej Żenczykowski" <zenczykowski@...il.com>
To:     "Maciej Żenczykowski" <maze@...gle.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, David Ahern <dsahern@...il.com>
Subject: [PATCH v2 7/9] net: rtmsg_to_fib6_config() - use new style struct
 initializer instead of memset

From: Maciej Żenczykowski <maze@...gle.com>

(allows for better compiler optimization)

Signed-off-by: Maciej Żenczykowski <maze@...gle.com>
---
 net/ipv6/route.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index dd19cf8dbcc1..c312ad4046d1 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3604,23 +3604,23 @@ static void rtmsg_to_fib6_config(struct net *net,
 				 struct in6_rtmsg *rtmsg,
 				 struct fib6_config *cfg)
 {
-	memset(cfg, 0, sizeof(*cfg));
+	*cfg = (struct fib6_config){
+		.fc_table = l3mdev_fib_table_by_index(net, rtmsg->rtmsg_ifindex) ?
+			 : RT6_TABLE_MAIN,
+		.fc_ifindex = rtmsg->rtmsg_ifindex,
+		.fc_metric = rtmsg->rtmsg_metric,
+		.fc_expires = rtmsg->rtmsg_info,
+		.fc_dst_len = rtmsg->rtmsg_dst_len,
+		.fc_src_len = rtmsg->rtmsg_src_len,
+		.fc_flags = rtmsg->rtmsg_flags,
+		.fc_type = rtmsg->rtmsg_type,
+
+		.fc_nlinfo.nl_net = net,
 
-	cfg->fc_table = l3mdev_fib_table_by_index(net, rtmsg->rtmsg_ifindex) ?
-			 : RT6_TABLE_MAIN;
-	cfg->fc_ifindex = rtmsg->rtmsg_ifindex;
-	cfg->fc_metric = rtmsg->rtmsg_metric;
-	cfg->fc_expires = rtmsg->rtmsg_info;
-	cfg->fc_dst_len = rtmsg->rtmsg_dst_len;
-	cfg->fc_src_len = rtmsg->rtmsg_src_len;
-	cfg->fc_flags = rtmsg->rtmsg_flags;
-	cfg->fc_type = rtmsg->rtmsg_type;
-
-	cfg->fc_nlinfo.nl_net = net;
-
-	cfg->fc_dst = rtmsg->rtmsg_dst;
-	cfg->fc_src = rtmsg->rtmsg_src;
-	cfg->fc_gateway = rtmsg->rtmsg_gateway;
+		.fc_dst = rtmsg->rtmsg_dst,
+		.fc_src = rtmsg->rtmsg_src,
+		.fc_gateway = rtmsg->rtmsg_gateway,
+	};
 }
 
 int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
-- 
2.19.0.605.g01d371f741-goog