From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 20 Nov 2013 18:40:41 +0000 (+0100)
Subject: cfg80211: ignore supported rates for nonexistant bands on scan
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1b09cd82d8c479700ef6185665839d1020b02519;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

cfg80211: ignore supported rates for nonexistant bands on scan

Fixes wpa_supplicant p2p_find on 5GHz-only devices

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e20c27ff0f14..138dc3bb8b67 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5349,6 +5349,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 				err = -EINVAL;
 				goto out_free;
 			}
+
+			if (!wiphy->bands[band])
+				continue;
+
 			err = ieee80211_get_ratemask(wiphy->bands[band],
 						     nla_data(attr),
 						     nla_len(attr),