Differential D19565 Diff 57425 sys/compat/linuxkpi/common/include/linux/uaccess.h

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sys/compat/linuxkpi/common/include/linux/uaccess.h

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	#define __put_user(_x, _p) ({ \			#define __put_user(_x, _p) ({ \
	__typeof(*(_p)) __x = (_x); \			__typeof(*(_p)) __x = (_x); \
	linux_copyout(&(__x), (_p), sizeof(*(_p))); \			linux_copyout(&(__x), (_p), sizeof(*(_p))); \
	})			})
	#define get_user(_x, _p) linux_copyin((_p), &(_x), sizeof(*(_p)))			#define get_user(_x, _p) linux_copyin((_p), &(_x), sizeof(*(_p)))
	#define put_user(_x, _p) __put_user(_x, _p)			#define put_user(_x, _p) __put_user(_x, _p)
	#define clear_user(...) linux_clear_user(__VA_ARGS__)			#define clear_user(...) linux_clear_user(__VA_ARGS__)
	#define access_ok(...) linux_access_ok(__VA_ARGS__)

				hselaskyUnsubmitted Not Done Inline Actions Can you given an example where access_ok is already defined? hselasky: Can you given an example where access_ok is already defined?
				johalunAuthorUnsubmitted Not Done Inline Actions See user_access_begin above johalun: See user_access_begin above
				#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION >= 50000
				#define access_ok(a,b) linux_access_ok(a,b)
				#else
				#define access_ok(a,b,c) linux_access_ok(b,c)
				#endif

	extern int linux_copyin(const void uaddr, void kaddr, size_t len);			extern int linux_copyin(const void uaddr, void kaddr, size_t len);
	extern int linux_copyout(const void kaddr, void uaddr, size_t len);			extern int linux_copyout(const void kaddr, void uaddr, size_t len);
	extern size_t linux_clear_user(void *uaddr, size_t len);			extern size_t linux_clear_user(void *uaddr, size_t len);
	extern int linux_access_ok(int rw, const void *uaddr, size_t len);			extern int linux_access_ok(const void *uaddr, size_t len);

	/*			/*
	* NOTE: Each pagefault_disable() call must have a corresponding			* NOTE: Each pagefault_disable() call must have a corresponding
	* pagefault_enable() call in the same scope. The former creates a new			* pagefault_enable() call in the same scope. The former creates a new
	* block and defines a temporary variable, and the latter uses the			* block and defines a temporary variable, and the latter uses the
	* temporary variable and closes the block. Failure to balance the			* temporary variable and closes the block. Failure to balance the
	* calls will result in a compile-time error.			* calls will result in a compile-time error.
	*/			*/
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