Unverified Commit 0684c49b authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!3310 kasan: fix the compilation error for memcpy_mcs() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Tong Tiangen <tongtiangen@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/CERY3FBRIPMTXMPZ5BKP5HIGIA2V6YAT/ 
 
https://gitee.com/openeuler/kernel/issues/I8MWHA 
 
Link:https://gitee.com/openeuler/kernel/pulls/3310

 

Reviewed-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents cb2566ed 16ccb014

mm/kasan/shadow.c

+3 −3
Original line number Diff line number Diff line
@@ -83,9 +83,9 @@ void *memcpy(void *dest, const void *src, size_t len) 
#undef memcpy_mcs

int memcpy_mcs(void *dest, const void *src, size_t len)

{

	if (!check_memory_region((unsigned long)src, len, false, _RET_IP_) ||

	    !check_memory_region((unsigned long)dest, len, true, _RET_IP_))

		return (unsigned long)len;

	if (!kasan_check_range(src, len, false, _RET_IP_) ||

	    !kasan_check_range(dest, len, true, _RET_IP_))

		return (int)len;



	return __memcpy_mcs(dest, src, len);

}