From 70d3b1028a6ad6ac7774939a675c14b10dbe45f0 Mon Sep 17 00:00:00 2001
From: PulkoMandy <pulkomandy@pulkomandy.tk>
Date: Mon, 24 Jul 2023 14:54:06 +0200
Subject: [PATCH] ps2: mark unused-but-set variable unused to avoid warning

Change-Id: If0073d878cfe4c37ea61bc10459e698ebbb47897
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6712
Reviewed-by: Fredrik Holmqvist <fredrik.holmqvist@gmail.com>
---
 src/add-ons/kernel/bus_managers/ps2/ps2_common.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/add-ons/kernel/bus_managers/ps2/ps2_common.cpp b/src/add-ons/kernel/bus_managers/ps2/ps2_common.cpp
index 82a93ff3d0..905c75c747 100644
--- a/src/add-ons/kernel/bus_managers/ps2/ps2_common.cpp
+++ b/src/add-ons/kernel/bus_managers/ps2/ps2_common.cpp
@@ -21,8 +21,10 @@
 //#define TRACE_PS2_COMMON
 #ifdef TRACE_PS2_COMMON
 #	define TRACE(x...) dprintf(x)
+#	define TRACE_ONLY
 #else
 #	define TRACE(x...)
+#	define TRACE_ONLY __attribute__((unused))
 #endif
 
 
@@ -105,7 +107,7 @@ ps2_flush(void)
 
 	for (i = 0; i < 64; i++) {
 		uint8 ctrl;
-		uint8 data;
+		uint8 data TRACE_ONLY;
 		ctrl = ps2_read_ctrl();
 		if (!(ctrl & PS2_STATUS_OUTPUT_BUFFER_FULL))
 			break;