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Check wheter an MII PHY is really connected or not. 

This change privents panic if MII PHY port is not used.
This commit is contained in:
msaitoh 2012-12-20 10:01:28 +00:00
parent 312d89f0de
commit a23ec4c8a4
1 changed files with 5 additions and 3 deletions
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8
sys/dev/marvell/if_mvgbe.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_mvgbe.c,v 1.32 2012/11/09 09:04:19 msaitoh Exp $ */
/* $NetBSD: if_mvgbe.c,v 1.33 2012/12/20 10:01:28 msaitoh Exp $ */
/*
* Copyright (c) 2007, 2008 KIYOHARA Takashi
* All rights reserved.
@ -25,7 +25,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.32 2012/11/09 09:04:19 msaitoh Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.33 2012/12/20 10:01:28 msaitoh Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -429,7 +429,9 @@ mvgbec_attach(device_t parent, device_t self, void *aux)
if (child) {
port = device_private(child);
mii = LIST_FIRST(&port->sc_mii.mii_phys);
phyaddr |= MVGBE_PHYADDR_PHYAD(j, mii->mii_phy);
if (mii != NULL)
phyaddr |= MVGBE_PHYADDR_PHYAD(j,
mii->mii_phy);
}
}
break;