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printk: Declare log_wait properly

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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
This commit is contained in:
Thomas Gleixner 2022-09-24 02:10:38 +02:06 committed by Petr Mladek
parent c60ba2d346
commit e3f12f0602
2 changed files with 3 additions and 2 deletions
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2
fs/proc/kmsg.c
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@ -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);

3
include/linux/syslog.h
View File

@ -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 */