linux-kernel - [PATCH] tracing: Explicitly cast divisor to fix Coccinelle warning

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Message-ID: <20240318105243.117911-2-thorsten.blum@toblux.com>
Date: Mon, 18 Mar 2024 11:52:44 +0100
From: Thorsten Blum <thorsten.blum@...lux.com>
To: Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...lux.com>
Subject: [PATCH] tracing: Explicitly cast divisor to fix Coccinelle warning

Explicitly cast the divisor to u32 to fix a Coccinelle/coccicheck warning
reported by do_div.cocci.

Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
---
 kernel/trace/trace_benchmark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_benchmark.c b/kernel/trace/trace_benchmark.c
index 54d5fa35c90a..218b40050629 100644
--- a/kernel/trace/trace_benchmark.c
+++ b/kernel/trace/trace_benchmark.c
@@ -105,7 +105,7 @@ static void trace_do_benchmark(void)
 		stddev = 0;
 
 	delta = bm_total;
-	do_div(delta, bm_cnt);
+	do_div(delta, (u32)bm_cnt);
 	avg = delta;
 
 	if (stddev > 0) {
-- 
2.44.0