linux-kernel - linux-next: build failure after merge of the akpm-current tree

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Message-ID: <20190705184949.13cdd021@canb.auug.org.au>
Date:   Fri, 5 Jul 2019 18:49:49 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Marco Elver <elver@...gle.com>
Subject: linux-next: build failure after merge of the akpm-current tree

Hi all,

After merging the akpm-current tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

In file included from include/linux/compiler.h:257,
                 from arch/arm/kernel/asm-offsets.c:10:
include/linux/kasan-checks.h:14:15: error: unknown type name 'bool'
 static inline bool __kasan_check_read(const volatile void *p, unsigned int size)
               ^~~~
include/linux/kasan-checks.h:18:15: error: unknown type name 'bool'
 static inline bool __kasan_check_write(const volatile void *p, unsigned int size)
               ^~~~
include/linux/kasan-checks.h:38:15: error: unknown type name 'bool'
 static inline bool kasan_check_read(const volatile void *p, unsigned int size)
               ^~~~
include/linux/kasan-checks.h:42:15: error: unknown type name 'bool'
 static inline bool kasan_check_write(const volatile void *p, unsigned int size)
               ^~~~

Caused by commit

  4bb170e54bbd ("mm/kasan: change kasan_check_{read,write} to return boolean")

I have added the following patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 5 Jul 2019 18:44:55 +1000
Subject: [PATCH] mm/kasan: include types.h for "bool"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/linux/kasan-checks.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/kasan-checks.h b/include/linux/kasan-checks.h
index 2c7f0b6307b2..53cbf0ae14b5 100644
--- a/include/linux/kasan-checks.h
+++ b/include/linux/kasan-checks.h
@@ -2,6 +2,8 @@
 #ifndef _LINUX_KASAN_CHECKS_H
 #define _LINUX_KASAN_CHECKS_H
 
+#include <linux/types.h>
+
 /*
  * __kasan_check_*: Always available when KASAN is enabled. This may be used
  * even in compilation units that selectively disable KASAN, but must use KASAN
-- 
2.20.1

-- 
Cheers,
Stephen Rothwell

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