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.TH "__PUT_USER" "9" "06 August 2003" "" ""

.SH NAME
__put_user \- Write a simple value into user space, with less checking.
.SH SYNOPSIS
.sp
\fB
.sp
__put_user  ( \fIx\fB,  \fIptr\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIx\fB\fR
Value to copy to user space.
.TP
\fB\fIptr\fB\fR
Destination address, in user space.
.SH "CONTEXT"
.PP
User context only.  This function may sleep.
.SH "DESCRIPTION"
.PP
This macro copies a single simple value from kernel space to user
space.  It supports simple types like char and int, but not larger
data types like structures or arrays.
.PP
\fIptr\fR must have pointer-to-simple-variable type, and \fIx\fR must be assignable
to the result of dereferencing \fIptr\fR.
.PP
Caller must check the pointer with \fBaccess_ok\fR before calling this
function.
.PP
Returns zero on success, or -EFAULT on error.
.SH "ABOUT THIS DOCUMENT"
.PP
This documentation was generated with kernel version 2.6.0.