linux-kernel - [PATCH] Fix application of sizeof to pointer

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Date:   Tue, 12 Oct 2021 10:54:24 +0800
From:   davidcomponentone@...il.com
To:     Viktor.Rosendahl@....de
Cc:     rostedt@...dmis.org, colin.king@...onical.com,
        davidcomponentone@...il.com, vulab@...as.ac.cn,
        linux-kernel@...r.kernel.org, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] Fix application of sizeof to pointer

From: David Yang <davidcomponentone@...il.com>

The coccinelle check report:
"./tools/tracing/latency/latency-collector.c:1541:10-16:
ERROR: application of sizeof to pointer"
Using the "strlen" to fix it.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: David Yang <davidcomponentone@...il.com>
---
 tools/tracing/latency/latency-collector.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/tracing/latency/latency-collector.c b/tools/tracing/latency/latency-collector.c
index 3a2e6bb781a8..b131007e6c70 100644
--- a/tools/tracing/latency/latency-collector.c
+++ b/tools/tracing/latency/latency-collector.c
@@ -1538,7 +1538,7 @@ static void tracing_loop(void)
 				mutex_lock(&print_mtx);
 				check_signals();
 				write_or_die(fd_stdout, queue_full_warning,
-					     sizeof(queue_full_warning));
+					     strlen(queue_full_warning) + 1);
 				mutex_unlock(&print_mtx);
 			}
 			modified--;
-- 
2.30.2