'\" t
.\"     Title: cdev_add
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: Char devices
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "CDEV_ADD" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "Char devices"
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.SH "NAME"
cdev_add \- add a char device to the system
.SH "SYNOPSIS"
.HP \w'int\ cdev_add('u
.BI "int cdev_add(struct\ cdev\ *\ " "p" ", dev_t\ " "dev" ", unsigned\ " "count" ");"
.SH "ARGUMENTS"
.PP
\fIstruct cdev * p\fR
.RS 4
the cdev structure for the device
.RE
.PP
\fIdev_t dev\fR
.RS 4
the first device number for which this device is responsible
.RE
.PP
\fIunsigned count\fR
.RS 4
the number of consecutive minor numbers corresponding to this device
.RE
.SH "DESCRIPTION"
.PP
\fBcdev_add\fR
adds the device represented by
\fIp\fR
to the system, making it live immediately\&. A negative error code is returned on failure\&.
.SH "COPYRIGHT"
.br