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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        linux-arm-kernel@lists.infradead.org,
        linuxppc-dev@lists.ozlabs.org, Rob Herring <robh@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 145/239] libfdt: Ensure INT_MAX is defined in libfdt_env.h
Date:   Tue, 19 Nov 2019 06:19:05 +0100
Message-Id: <20191119051332.226062838@linuxfoundation.org>
In-Reply-To: <20191119051255.850204959@linuxfoundation.org>
References: <20191119051255.850204959@linuxfoundation.org>
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From: Rob Herring <robh@kernel.org>

[ Upstream commit 53dd9dce6979bc54d64a3a09a2fb20187a025be7 ]

The next update of libfdt has a new dependency on INT_MAX. Update the
instances of libfdt_env.h in the kernel to either include the necessary
header with the definition or define it locally.

Cc: Russell King <linux@armlinux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/compressed/libfdt_env.h | 2 ++
 arch/powerpc/boot/libfdt_env.h        | 2 ++
 include/linux/libfdt_env.h            | 1 +
 3 files changed, 5 insertions(+)

diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h
index 07437816e0986..b36c0289a308e 100644
--- a/arch/arm/boot/compressed/libfdt_env.h
+++ b/arch/arm/boot/compressed/libfdt_env.h
@@ -6,6 +6,8 @@
 #include <linux/string.h>
 #include <asm/byteorder.h>
 
+#define INT_MAX			((int)(~0U>>1))
+
 typedef __be16 fdt16_t;
 typedef __be32 fdt32_t;
 typedef __be64 fdt64_t;
diff --git a/arch/powerpc/boot/libfdt_env.h b/arch/powerpc/boot/libfdt_env.h
index f52c31b1f48fa..39155d3b2cefa 100644
--- a/arch/powerpc/boot/libfdt_env.h
+++ b/arch/powerpc/boot/libfdt_env.h
@@ -5,6 +5,8 @@
 #include <types.h>
 #include <string.h>
 
+#define INT_MAX			((int)(~0U>>1))
+
 #include "of.h"
 
 typedef u32 uint32_t;
diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index 14997285e53d3..1aa707ab19bbf 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -2,6 +2,7 @@
 #ifndef _LIBFDT_ENV_H
 #define _LIBFDT_ENV_H
 
+#include <linux/kernel.h>	/* For INT_MAX */
 #include <linux/string.h>
 
 #include <asm/byteorder.h>
-- 
2.20.1