linux-kernel - [PATCH] printk: make suppress_panic

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Date:   Wed, 16 Feb 2022 11:19:57 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     pmladek@...e.com
Cc:     senozhatsky@...omium.org, rostedt@...dmis.org,
        john.ogness@...utronix.de, keescook@...omium.org, anton@...msg.org,
        ccross@...roid.com, tony.luck@...el.com, ojeda@...nel.org,
        alex.gaynor@...il.com, wedsonaf@...gle.com,
        linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] printk: make suppress_panic_printk static

This symbol is not used outside of printk.c, so marks it static.

Fix the following sparse warning:

kernel/printk/printk.c:100:19: warning: symbol 'suppress_panic_printk'
was not declared. Should it be static?

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 kernel/printk/printk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 7a9eace19191..703397cadd01 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -97,7 +97,7 @@ int __read_mostly suppress_printk;
  * During panic, heavy printk by other CPUs can delay the
  * panic and risk deadlock on console resources.
  */
-int __read_mostly suppress_panic_printk;
+static int __read_mostly suppress_panic_printk;
 
 #ifdef CONFIG_LOCKDEP
 static struct lockdep_map console_lock_dep_map = {
-- 
2.20.1.7.g153144c