Repository URL to install this package:
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Version:
20.11.0-trunk ▾
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linux-headers-current-sunxi64
/
usr
/
src
/
linux-headers-5.8.10-sunxi64
/
include
/
asm-generic
/
flat.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_FLAT_H
#define _ASM_GENERIC_FLAT_H
#include <linux/uaccess.h>
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr)
{
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
#else
return get_user(*addr, rp);
#endif
}
static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
{
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
#else
return put_user(addr, rp);
#endif
}
#endif /* _ASM_GENERIC_FLAT_H */