Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_GENERIC_FLAT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_GENERIC_FLAT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 		u32 *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	return get_user(*addr, rp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	return put_user(addr, rp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #endif /* _ASM_GENERIC_FLAT_H */