linux-kernel - [PATCH] samples/hw_breakpoint: make sample

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Message-ID: <20200417073542.42721-1-yanaijie@huawei.com>
Date:   Fri, 17 Apr 2020 15:35:42 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <will@...nel.org>, <tglx@...utronix.de>,
        <linux-kernel@...r.kernel.org>
CC:     Jason Yan <yanaijie@...wei.com>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH] samples/hw_breakpoint: make sample_hbp static

Fix the following sparse warning:

samples/hw_breakpoint/data_breakpoint.c:24:19: warning: symbol
'sample_hbp' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Jason Yan <yanaijie@...wei.com>
---
 samples/hw_breakpoint/data_breakpoint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/hw_breakpoint/data_breakpoint.c b/samples/hw_breakpoint/data_breakpoint.c
index 418c46fe5ffc..37c4f0ea8e53 100644
--- a/samples/hw_breakpoint/data_breakpoint.c
+++ b/samples/hw_breakpoint/data_breakpoint.c
@@ -21,7 +21,7 @@
 #include <linux/perf_event.h>
 #include <linux/hw_breakpoint.h>
 
-struct perf_event * __percpu *sample_hbp;
+static struct perf_event * __percpu *sample_hbp;
 
 static char ksym_name[KSYM_NAME_LEN] = "jiffies";
 module_param_string(ksym, ksym_name, KSYM_NAME_LEN, S_IRUGO);
-- 
2.21.1