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Commit ed01b3d2 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: Make uaccess.h slightly more sparse friendly. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent d0aab922

arch/mips/include/asm/uaccess.h

+27 −12
Original line number Diff line number Diff line
@@ -106,12 +106,12 @@ 


#define __access_ok(addr, size, mask)					\

({									\

	const volatile void __user *__up = addr;					\

	unsigned long __addr = (unsigned long) __up;					\

	unsigned long __addr = (unsigned long) (addr);			\

	unsigned long __size = size;					\

	unsigned long __mask = mask;					\

	unsigned long __ok;						\

									\

	__chk_user_ptr(addr);						\

	__ok = (signed long)(__mask & (__addr | (__addr + __size) |	\

		__ua_size(__size)));					\

	__ok == 0;							\
@@ -235,6 +235,7 @@ do { \ 
({									\

	int __gu_err;							\

									\

	__chk_user_ptr(ptr);						\

	__get_user_common((x), size, ptr);				\

	__gu_err;							\

})
@@ -315,6 +316,7 @@ do { \ 
	__typeof__(*(ptr)) __pu_val;					\

	int __pu_err = 0;						\

									\

	__chk_user_ptr(ptr);						\

	__pu_val = (x);							\

	switch (size) {							\

	case 1: __put_user_asm("sb", ptr); break;			\
@@ -882,7 +884,20 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); 
	__cu_len;							\

})



#define __copy_in_user(to, from, n)	__copy_from_user(to, from, n)

#define __copy_in_user(to, from, n)					\

({									\

	void __user *__cu_to;						\

	const void __user *__cu_from;					\

	long __cu_len;							\

									\

	might_sleep();							\

	__cu_to = (to);							\

	__cu_from = (from);						\

	__cu_len = (n);							\

	__cu_len = __invoke_copy_from_user(__cu_to, __cu_from,		\

	                                   __cu_len);			\

	__cu_len;							\

})



#define copy_in_user(to, from, n)					\

({									\