netdev - [PATCH iproute2-next v4 3/3] bridge: refactor bridge mcast querier function

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Message-Id: <20250623084518.1101527-4-f.pfitzner@pengutronix.de>
Date: Mon, 23 Jun 2025 10:45:22 +0200
From: Fabian Pfitzner <f.pfitzner@...gutronix.de>
To: netdev@...r.kernel.org
Cc: dsahern@...il.com,
	idosch@...dia.com,
	bridge@...ts.linux-foundation.org,
	entwicklung@...gutronix.de,
	razor@...ckwall.org,
	Fabian Pfitzner <f.pfitzner@...gutronix.de>
Subject: [PATCH iproute2-next v4 3/3] bridge: refactor bridge mcast querier function

Make code more readable and consistent with other functions.

Signed-off-by: Fabian Pfitzner <f.pfitzner@...gutronix.de>
---
 lib/bridge.c | 72 +++++++++++++++++++++++++---------------------------
 1 file changed, 34 insertions(+), 38 deletions(-)

diff --git a/lib/bridge.c b/lib/bridge.c
index 35cc409a..5386aa01 100644
--- a/lib/bridge.c
+++ b/lib/bridge.c
@@ -49,59 +49,55 @@ void bridge_print_vlan_stats(const struct bridge_vlan_xstats *vstats)
 void bridge_print_mcast_querier_state(const struct rtattr *vtb)
 {
 	struct rtattr *bqtb[BRIDGE_QUERIER_MAX + 1];
+	const char *querier_ip;
 	SPRINT_BUF(other_time);
+	__u64 tval;

 	parse_rtattr_nested(bqtb, BRIDGE_QUERIER_MAX, vtb);
 	memset(other_time, 0, sizeof(other_time));

 	open_json_object("mcast_querier_state_ipv4");
 	if (bqtb[BRIDGE_QUERIER_IP_ADDRESS]) {
-		print_string(PRINT_FP,
-			NULL,
-			"%s ",
-			"mcast_querier_ipv4_addr");
-		print_color_string(PRINT_ANY,
-			COLOR_INET,
-			"mcast_querier_ipv4_addr",
-			"%s ",
-			format_host_rta(AF_INET, bqtb[BRIDGE_QUERIER_IP_ADDRESS]));
+		querier_ip = format_host_rta(AF_INET,
+					     bqtb[BRIDGE_QUERIER_IP_ADDRESS]);
+		print_string(PRINT_FP, NULL, "%s ",
+			     "mcast_querier_ipv4_addr");
+		print_color_string(PRINT_ANY, COLOR_INET,
+				   "mcast_querier_ipv4_addr", "%s ",
+				   querier_ip);
 	}
 	if (bqtb[BRIDGE_QUERIER_IP_PORT])
-		print_uint(PRINT_ANY,
-			"mcast_querier_ipv4_port",
-			"mcast_querier_ipv4_port %u ",
-			rta_getattr_u32(bqtb[BRIDGE_QUERIER_IP_PORT]));
-	if (bqtb[BRIDGE_QUERIER_IP_OTHER_TIMER])
+		print_uint(PRINT_ANY, "mcast_querier_ipv4_port",
+			   "mcast_querier_ipv4_port %u ",
+			   rta_getattr_u32(bqtb[BRIDGE_QUERIER_IP_PORT]));
+	if (bqtb[BRIDGE_QUERIER_IP_OTHER_TIMER]) {
+		tval = rta_getattr_u64(bqtb[BRIDGE_QUERIER_IP_OTHER_TIMER]);
 		print_string(PRINT_ANY,
-			"mcast_querier_ipv4_other_timer",
-			"mcast_querier_ipv4_other_timer %s ",
-			sprint_time64(
-				rta_getattr_u64(bqtb[BRIDGE_QUERIER_IP_OTHER_TIMER]),
-								other_time));
+			     "mcast_querier_ipv4_other_timer",
+			     "mcast_querier_ipv4_other_timer %s ",
+			     sprint_time64(tval, other_time));
+	}
 	close_json_object();
 	open_json_object("mcast_querier_state_ipv6");
 	if (bqtb[BRIDGE_QUERIER_IPV6_ADDRESS]) {
-		print_string(PRINT_FP,
-			NULL,
-			"%s ",
-			"mcast_querier_ipv6_addr");
-		print_color_string(PRINT_ANY,
-			COLOR_INET6,
-			"mcast_querier_ipv6_addr",
-			"%s ",
-			format_host_rta(AF_INET6, bqtb[BRIDGE_QUERIER_IPV6_ADDRESS]));
+		querier_ip = format_host_rta(AF_INET6,
+					     bqtb[BRIDGE_QUERIER_IPV6_ADDRESS]);
+		print_string(PRINT_FP, NULL, "%s ",
+			     "mcast_querier_ipv6_addr");
+		print_color_string(PRINT_ANY, COLOR_INET6,
+				   "mcast_querier_ipv6_addr", "%s ",
+				   querier_ip);
 	}
 	if (bqtb[BRIDGE_QUERIER_IPV6_PORT])
-		print_uint(PRINT_ANY,
-			"mcast_querier_ipv6_port",
-			"mcast_querier_ipv6_port %u ",
-			rta_getattr_u32(bqtb[BRIDGE_QUERIER_IPV6_PORT]));
-	if (bqtb[BRIDGE_QUERIER_IPV6_OTHER_TIMER])
+		print_uint(PRINT_ANY, "mcast_querier_ipv6_port",
+			   "mcast_querier_ipv6_port %u ",
+			   rta_getattr_u32(bqtb[BRIDGE_QUERIER_IPV6_PORT]));
+	if (bqtb[BRIDGE_QUERIER_IPV6_OTHER_TIMER]) {
+		tval = rta_getattr_u64(bqtb[BRIDGE_QUERIER_IPV6_OTHER_TIMER]);
 		print_string(PRINT_ANY,
-			"mcast_querier_ipv6_other_timer",
-			"mcast_querier_ipv6_other_timer %s ",
-			sprint_time64(
-				rta_getattr_u64(bqtb[BRIDGE_QUERIER_IPV6_OTHER_TIMER]),
-								other_time));
+			     "mcast_querier_ipv6_other_timer",
+			     "mcast_querier_ipv6_other_timer %s ",
+			     sprint_time64(tval, other_time));
+	}
 	close_json_object();
 }
--
2.39.5