From: Claudiu Manoil <claudiu.manoil@freescale.com>
Date: Tue, 10 Dec 2013 13:21:04 +0000 (+0200)
Subject: net: tsec: Fix NULL access in case init_phy() fails
X-Git-Tag: KARO-TXA5-2015-06-26~38^2~5^2~3
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=7f233c05573fabe8ff1ed7f22c269cdfdfc30529

net: tsec: Fix NULL access in case init_phy() fails

If the PHY is not recognized don't access phydev (NULL)
and return 0 to signal failure.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
---

diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index 79d656133a..dcdba4ea82 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -597,6 +597,8 @@ static int init_phy(struct eth_device *dev)
 		tsec_configure_serdes(priv);
 
 	phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface);
+	if (!phydev)
+		return 0;
 
 	phydev->supported &= supported;
 	phydev->advertising = phydev->supported;