From: Dmitry Shmidt <dimitrysh@google.com>
Date: Tue, 15 May 2012 20:20:25 +0000 (-0700)
Subject: net: wireless: bcmdhd: Fix WARN_ON(!res->pub.channel)
X-Git-Tag: firefly_0821_release~7613^2~100
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b9fd9e2371b35ba24a4928e7126b2ce4efe4edf2;p=firefly-linux-kernel-4.4.55.git

net: wireless: bcmdhd: Fix WARN_ON(!res->pub.channel)

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
---

diff --git a/drivers/net/wireless/bcmdhd/wl_cfg80211.c b/drivers/net/wireless/bcmdhd/wl_cfg80211.c
index 839f907d5798..79f48ccf8bac 100644
--- a/drivers/net/wireless/bcmdhd/wl_cfg80211.c
+++ b/drivers/net/wireless/bcmdhd/wl_cfg80211.c
@@ -4557,6 +4557,11 @@ static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi)
 	freq = ieee80211_channel_to_frequency(notif_bss_info->channel, band->band);
 #endif
 	channel = ieee80211_get_channel(wiphy, freq);
+	if (!channel) {
+		WL_ERR(("No valid channel"));
+		kfree(notif_bss_info);
+		return -EINVAL;
+	}
 
 	WL_DBG(("SSID : \"%s\", rssi %d, channel %d, capability : 0x04%x, bssid %pM"
 			"mgmt_type %d frame_len %d\n", bi->SSID,