From 5e2d5f004722867a12d7c04a5c037615dd26b7db Mon Sep 17 00:00:00 2001
From: Amar Singhal <asinghal@codeaurora.org>
Date: Fri, 6 Oct 2017 10:56:49 -0700
Subject: [PATCH] qcacld-3.0: Add check for wiphy band while populating it

Wiphy band can be NULL since it is dynamically allocated depending
on some condition. So check for NULL before populating it.

CRs-Fixed: 2122279
Change-Id: If88045e2ebbb6bceb0ed3b5337cc70778b21f832
---
 core/hdd/src/wlan_hdd_regulatory.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/hdd/src/wlan_hdd_regulatory.c b/core/hdd/src/wlan_hdd_regulatory.c
index eda70a85197e..375b0a1dc7f0 100644
--- a/core/hdd/src/wlan_hdd_regulatory.c
+++ b/core/hdd/src/wlan_hdd_regulatory.c
@@ -835,6 +835,9 @@ static void fill_wiphy_band_channels(struct wiphy *wiphy,
 	uint32_t chan_cnt;
 	struct ieee80211_channel *wiphy_chan;
 
+	if (wiphy->bands[band_id] == NULL)
+		return;
+
 	wiphy_num_chan = wiphy->bands[band_id]->n_channels;
 	wiphy_chan = wiphy->bands[band_id]->channels;