linux-kernel - [PATCH] staging: nvec: Silence unused argument warning in NVEC

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Message-ID: <20250817192425.12983-1-mohammed.guermoud@gmail.com>
Date: Sun, 17 Aug 2025 20:24:25 +0100
From: Mohammed Guermoud <mohammed.guermoud@...il.com>
To: marvin24@....de,
	gregkh@...uxfoundation.org
Cc: ac100@...ts.launchpad.net,
	linux-tegra@...r.kernel.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Mohammed Guermoud <mohammed.guermoud@...il.com>
Subject: [PATCH] staging: nvec: Silence unused argument warning in NVEC_PHD macro

The NVEC_PHD macro was defined with three arguments (str, buf, len)
that were not used in its empty body, causing a compiler warning.

This patch silences the warning by explicitly casting the unused
arguments to (void), making the intent clear without changing
functionality.

Signed-off-by: Mohammed Guermoud <mohammed.guermoud@...il.com>
---
 drivers/staging/nvec/nvec_ps2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c
index 575233fa1677..7accdcafeeac 100644
--- a/drivers/staging/nvec/nvec_ps2.c
+++ b/drivers/staging/nvec/nvec_ps2.c
@@ -28,7 +28,7 @@
 	print_hex_dump(KERN_DEBUG, str, DUMP_PREFIX_NONE, \
 			16, 1, buf, len, false)
 #else
-#define NVEC_PHD(str, buf, len) do { } while (0)
+#define NVEC_PHD(str, buf, len) do { (void)str; (void)buf; (void)len; } while (0)
 #endif
 
 enum ps2_subcmds {
-- 
2.50.1