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new helper: uaccess_kernel()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro
2017-03-20 21:08:07 -04:00
parent aaa2e7ac80
commit db68ce10c4
32 changed files with 44 additions and 42 deletions
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2
arch/arm/include/asm/uaccess.h
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@@ -266,7 +266,7 @@ static inline void set_fs(mm_segment_t fs)
#define access_ok(type, addr, size) (__range_ok(addr, size) == 0)
#define user_addr_max() \
(segment_eq(get_fs(), KERNEL_DS) ? ~0UL : get_fs())
(uaccess_kernel() ? ~0UL : get_fs())
/*
* The "__xxx" versions of the user access functions do not verify the