From: Michal Simek <michal.simek@xilinx.com>
Date: Wed, 13 Jun 2018 08:33:49 +0000 (+0200)
Subject: net: zynq_gem: Initialize phyreg variable
X-Git-Tag: v2018.07-rc2~51^2~1
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=7674b64d788e0e7a65f26a1cc81d583a54987282;p=oweals%2Fu-boot.git

net: zynq_gem: Initialize phyreg variable

In case of phyread()/phy_setup_op() timeout code is working with
uninitialized phyreg variable. Initialize this variable to make sure
that code it not working with random value.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---

diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index d1436807ff..14564e365e 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -244,7 +244,7 @@ static int phywrite(struct zynq_gem_priv *priv, u32 phy_addr,
 static int phy_detection(struct udevice *dev)
 {
 	int i;
-	u16 phyreg;
+	u16 phyreg = 0;
 	struct zynq_gem_priv *priv = dev->priv;
 
 	if (priv->phyaddr != -1) {