From e3f12f0602833c88ad2cbe3aff397acd0cfd2695 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 24 Sep 2022 02:10:38 +0206
Subject: [PATCH] printk: Declare log_wait properly
kernel/printk/printk.c:365:1: warning: symbol 'log_wait' was not declared. Should it be static?
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220924000454.3319186-3-john.ogness@linutronix.de
---
fs/proc/kmsg.c | 2 --
include/linux/syslog.h | 3 +++
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index b38ad552887fb..9d6950ac10fe8 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -18,8 +18,6 @@
#include <linux/uaccess.h>
#include <asm/io.h>
-extern wait_queue_head_t log_wait;
-
static int kmsg_open(struct inode * inode, struct file * file)
{
return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_PROC);
diff --git a/include/linux/syslog.h b/include/linux/syslog.h
index 86af908e26633..955f80e34d4fd 100644
--- a/include/linux/syslog.h
+++ b/include/linux/syslog.h
@@ -8,6 +8,8 @@
#ifndef _LINUX_SYSLOG_H
#define _LINUX_SYSLOG_H
+#include <linux/wait.h>
+
/* Close the log. Currently a NOP. */
#define SYSLOG_ACTION_CLOSE 0
/* Open the log. Currently a NOP. */
@@ -35,5 +37,6 @@
#define SYSLOG_FROM_PROC 1
int do_syslog(int type, char __user *buf, int count, int source);
+extern wait_queue_head_t log_wait;
#endif /* _LINUX_SYSLOG_H */
--
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