[PATCH] wifi: cfg80211: fix a possible memory leak

[Dinh Nguyen]

Klockworks reported a possible memory leak when
cfg80211_inform_single_bss_data() return on an error and ies is left
allocated.

Fixes: 0e227084aee3 ("cfg80211: clarify BSS probe response vs. beacon data")
Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
---
 net/wireless/scan.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 806a5f1330ff..3c81dc17e079 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2015,8 +2015,10 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
 
 	signal_valid = data->chan == channel;
 	res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, ts);
-	if (!res)
+	if (!res) {
+		kfree(ies);
 		return NULL;
+	}
 
 	if (channel->band == NL80211_BAND_60GHZ) {
 		bss_type = res->pub.capability & WLAN_CAPABILITY_DMG_TYPE_MASK;
-- 
2.25.1