From 7bfbba1e607190bf542f56e87ff1ebc6d82388b5 Mon Sep 17 00:00:00 2001
From: Mandy Lavi <mandy.lavi@freescale.com>
Date: Mon, 19 Jan 2015 14:37:45 +0200
Subject: fmd: fix reading fm_port_ipv4_opt to not panic

Change-Id: Id4166dad03d6e51202caa367de188ff8486fa9dc
Signed-off-by: Mandy Lavi <mandy.lavi@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/28750
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Igal Liberman <Igal.Liberman@freescale.com>
Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>

diff --git a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm_port.c b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm_port.c
index ae4bb87..0cdf6a8 100644
--- a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm_port.c
+++ b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm_port.c
@@ -692,6 +692,11 @@ static ssize_t show_fm_port_ipv4_options(struct device *dev,
 	if (!p_LnxWrpFmPortDev->h_Dev) {
 		n = snprintf(buf, PAGE_SIZE, "\tFM Port not configured...\n");
 		return n;
+	} else if (((t_FmPort *)p_LnxWrpFmPortDev->h_Dev)->p_ParamsPage
+					== NULL) {
+		n = snprintf(buf, PAGE_SIZE,
+			"\tPort: FMan-controller params page not set\n");
+		return n;
 	} else {
 		n = snprintf(buf, PAGE_SIZE,
 			"Counter for fragmented pkt with IP header options\n");
-- 
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