'\" t
.\"     Title: get_ccwdev_by_dev_id
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: The ccw bus
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "GET_CCWDEV_BY_DEV_ID" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "The ccw bus"
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.SH "NAME"
get_ccwdev_by_dev_id \- obtain device from a ccw device id
.SH "SYNOPSIS"
.HP \w'struct\ ccw_device\ *\ get_ccwdev_by_dev_id('u
.BI "struct ccw_device * get_ccwdev_by_dev_id(struct\ ccw_dev_id\ *\ " "dev_id" ");"
.SH "ARGUMENTS"
.PP
\fIdev_id\fR
.RS 4
id of the device to be searched
.RE
.SH "DESCRIPTION"
.PP
This function searches all devices attached to the ccw bus for a device matching
\fIdev_id\fR\&.
.SH "RETURN"
.PP
If a device is found its reference count is increased and returned; else
\fBNULL\fR
is returned\&.
.SH "AUTHOR"
.PP
\fBCornelia Huck\fR <\&cornelia.huck@de.ibm.com\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br