static inline int access_ok()

in include/asm/uaccess.h [42:59]

• 17 lines of code
• 4 McCabe index (conditional complexity)

static inline int access_ok(const void __user *addr, unsigned long size)
{
	if (!size)
		goto ok;

	if ((get_fs().seg < ((unsigned long)addr)) ||
			(get_fs().seg < ((unsigned long)addr + size - 1))) {
		pr_devel("ACCESS fail at 0x%08x (size 0x%x), seg 0x%08x\n",
			(__force u32)addr, (u32)size,
			(u32)get_fs().seg);
		return 0;
	}
ok:
	pr_devel("ACCESS OK at 0x%08x (size 0x%x), seg 0x%08x\n",
			(__force u32)addr, (u32)size,
			(u32)get_fs().seg);
	return 1;
}