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.TH "__DEV_GET_BY_INDEX" "9" "17 July 2003" "" ""

.SH NAME
__dev_get_by_index \- find a device by its ifindex
.SH SYNOPSIS
.sp
\fB
.sp
struct net_device * __dev_get_by_index  (int \fIifindex\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIifindex\fB\fR
index of device
.SH "DESCRIPTION"
.PP
Search for an interface by index. Returns NULL if the device
is not found or a pointer to the device. The device has not
had its reference counter increased so the caller must be careful
about locking. The caller must hold either the RTNL semaphore
or \fIdev_base_lock\fR.
.SH "ABOUT THIS DOCUMENT"
.PP
This documentation is free software; you can redistribute
it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
.PP
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
.PP
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
.PP
For more details see the file COPYING in the source
distribution of Linux.
.PP
If you have comments on the formatting of this manpage, then please contact
Michael Still (mikal@stillhq.com).
.PP
This documentation was generated with kernel version 2.5.72.