From: Michal Simek <michal.simek@xilinx.com>
Date: Mon, 30 Nov 2015 13:03:37 +0000 (+0100)
Subject: net: gem: Check if priv->phydev is valid
X-Git-Tag: v2016.01-rc2~3^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=90c6f2e21bb980e5544b1339e7ef7038bc872968;p=platform%2Fkernel%2Fu-boot.git

net: gem: Check if priv->phydev is valid

Check return value.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
---

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 86bb759..d5540ec 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -329,6 +329,8 @@ static int zynq_phy_init(struct eth_device *dev)
 
 	priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev,
 				   priv->interface);
+	if (!priv->phydev)
+		return -ENODEV;
 
 	priv->phydev->supported = supported | ADVERTISED_Pause |
 				  ADVERTISED_Asym_Pause;