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Edit File: kasan-checks.h
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_KASAN_CHECKS_H #define _LINUX_KASAN_CHECKS_H #include <linux/types.h> /* * The annotations present in this file are only relevant for the software * KASAN modes that rely on compiler instrumentation, and will be optimized * away for the hardware tag-based KASAN mode. Use kasan_check_byte() instead. */ /* * __kasan_check_*: Always available when KASAN is enabled. This may be used * even in compilation units that selectively disable KASAN, but must use KASAN * to validate access to an address. Never use these in header files! */ #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) bool __kasan_check_read(const volatile void *p, unsigned int size); bool __kasan_check_write(const volatile void *p, unsigned int size); #else static inline bool __kasan_check_read(const volatile void *p, unsigned int size) { return true; } static inline bool __kasan_check_write(const volatile void *p, unsigned int size) { return true; } #endif /* * kasan_check_*: Only available when the particular compilation unit has KASAN * instrumentation enabled. May be used in header files. */ #ifdef __SANITIZE_ADDRESS__ #define kasan_check_read __kasan_check_read #define kasan_check_write __kasan_check_write #else static inline bool kasan_check_read(const volatile void *p, unsigned int size) { return true; } static inline bool kasan_check_write(const volatile void *p, unsigned int size) { return true; } #endif #endif