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List:       linux-backports
Subject:    [PATCH] backports: add header file for function memcmp
From:       Winnie Chang <winnie.chang () cypress ! com>
Date:       2018-08-22 2:33:01
Message-ID: 20180822023158.GA3143 () aremote01 ! aus ! cypress ! com
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Function memcmp is implicit declaration on kernel 4.9.88 ARM platform.
backport-include/keys/asymmetric-type.h uses function memcmp but its
caller compat/verification/verify.c and all its related header files
do not include string.h, the header file is usually included from
arch/arm/include/asm, but in this configuration, it doesn't. We need
to be safe and insure string.h is there.
---
 backport/backport-include/keys/asymmetric-type.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/backport/backport-include/keys/asymmetric-type.h \
b/backport/backport-include/keys/asymmetric-type.h index ee9c418..5744de9 100644
--- a/backport/backport-include/keys/asymmetric-type.h
+++ b/backport/backport-include/keys/asymmetric-type.h
@@ -2,6 +2,8 @@
 #define __BP_ASYMMETRIC_TYPE_H
 #ifdef CPTCFG_BPAUTO_BUILD_SYSTEM_DATA_VERIFICATION
 
+#include <linux/string.h>
+
 struct asymmetric_key_id {
 	unsigned short	len;
 	unsigned char	data[];
-- 
1.9.1

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