linux-kernel - [PATCH] lockdep: Add missing declaration of 'pr

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Date:   Tue, 7 Nov 2017 10:24:20 +0800
From:   Mengting Zhang <zhangmengting@...wei.com>
To:     <alexander.levin@...izon.com>, <ben@...adent.org.uk>,
        <alexander.sverdlin@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <huawei.libin@...wei.com>,
        <zhangmengting@...wei.com>
Subject: [PATCH] lockdep: Add missing declaration of 'pr_cont()'

An annoying compile warning due to missing declaration is shown below:
In file included from lockdep.c:27:0:
../../../kernel/locking/lockdep.c: In function 'print_unlock_imbalance_bug' :
../../../kernel/locking/lockdep.c:3544:2: warning: implicit declaration of function 'pr_cont' [-Wimplicit-function-declaration]
  pr_cont(") at:\n");
  ^
Adding the declaration of 'pr_cont' fixes the problem.

Signed-off-by: Mengting Zhang <zhangmengting@...wei.com>
---
 tools/include/linux/lockdep.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/include/linux/lockdep.h b/tools/include/linux/lockdep.h
index 8da3e8e..ae716ad 100644
--- a/tools/include/linux/lockdep.h
+++ b/tools/include/linux/lockdep.h
@@ -47,6 +47,7 @@ static inline int debug_locks_off(void)
 #define printk(...) dprintf(STDOUT_FILENO, __VA_ARGS__)
 #define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
 #define pr_warn pr_err
+#define pr_cont pr_err
 
 #define list_del_rcu list_del
 
-- 
1.7.12.4