root/include/asm-generic/flat.h

/* [<][>][^][v][top][bottom][index][help] */

INCLUDED FROM

DEFINITIONS

This source file includes following definitions.
  1. flat_get_addr_from_rp
  2. flat_put_addr_at_rp
   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_GENERIC_FLAT_H
   3 #define _ASM_GENERIC_FLAT_H
   4 
   5 #include <linux/uaccess.h>
   6 
   7 static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
   8                 u32 *addr)
   9 {
  10 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
  11         return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
  12 #else
  13         return get_user(*addr, rp);
  14 #endif
  15 }
  16 
  17 static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
  18 {
  19 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
  20         return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
  21 #else
  22         return put_user(addr, rp);
  23 #endif
  24 }
  25 
  26 #endif /* _ASM_GENERIC_FLAT_H */
/* [<][>][^][v][top][bottom][index][help] */