Lines Matching refs:from
9 * Derived from "include/asm-i386/uaccess.h"
195 * @from: Source address, in kernel space.
200 * Copy data from kernel space to user space. Caller must check
207 __copy_to_user(void __user *to, const void *from, unsigned long n)
210 return uaccess.copy_to_user_small(n, to, from);
212 return uaccess.copy_to_user(n, to, from);
221 * @from: Source address, in kernel space.
226 * Copy data from kernel space to user space.
232 copy_to_user(void __user *to, const void *from, unsigned long n)
236 n = __copy_to_user(to, from, n);
241 * __copy_from_user: - Copy a block of data from user space, with less checking.
243 * @from: Source address, in user space.
248 * Copy data from user space to kernel space. Caller must check
258 __copy_from_user(void *to, const void __user *from, unsigned long n)
261 return uaccess.copy_from_user_small(n, from, to);
263 return uaccess.copy_from_user(n, from, to);
267 * copy_from_user: - Copy a block of data from user space.
269 * @from: Source address, in user space.
274 * Copy data from user space to kernel space.
283 copy_from_user(void *to, const void __user *from, unsigned long n)
286 if (access_ok(VERIFY_READ, from, n))
287 n = __copy_from_user(to, from, n);
294 __copy_in_user(void __user *to, const void __user *from, unsigned long n)
296 return uaccess.copy_in_user(n, to, from);
300 copy_in_user(void __user *to, const void __user *from, unsigned long n)
303 if (__access_ok(from,n) && __access_ok(to,n))
304 n = __copy_in_user(to, from, n);
309 * Copy a null terminated string from userspace.