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From:   Nick Hu <nickhu@andestech.com>
To:     <alankao@andestech.com>, <paul.walmsley@sifive.com>,
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        <kasan-dev@googlegroups.com>, <linux-mm@kvack.org>
CC:     Nick Hu <nickhu@andestech.com>
Subject: [PATCH v3 1/3] kasan: Archs don't check memmove if not support it.
Date:   Tue, 8 Oct 2019 14:11:51 +0800
Message-ID: <c9fa9eb25a5c0b1f733494dfd439f056c6e938fd.1570514544.git.nickhu@andestech.com>
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Skip the memmove checking for those archs who don't support it.

Signed-off-by: Nick Hu <nickhu@andestech.com>
---
 mm/kasan/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 6814d6d6a023..897f9520bab3 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -107,6 +107,7 @@ void *memset(void *addr, int c, size_t len)
 	return __memset(addr, c, len);
 }
 
+#ifdef __HAVE_ARCH_MEMMOVE
 #undef memmove
 void *memmove(void *dest, const void *src, size_t len)
 {
@@ -115,6 +116,7 @@ void *memmove(void *dest, const void *src, size_t len)
 
 	return __memmove(dest, src, len);
 }
+#endif
 
 #undef memcpy
 void *memcpy(void *dest, const void *src, size_t len)
-- 
2.17.0