mt76: mt7915: fix an off-by-one bound check
authorRyder Lee <ryder.lee@mediatek.com>
Wed, 14 Jul 2021 07:56:10 +0000 (15:56 +0800)
committerFelix Fietkau <nbd@nbd.name>
Wed, 20 Oct 2021 08:36:26 +0000 (10:36 +0200)
The bounds check on datalen is off-by-one, so fix it.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

index 0e6c299fc0a408d86a5db2d76321f180d46a481d..bab652eae4346ef94c7e96ed1e0ed888409ef5c2 100644 (file)
@@ -925,7 +925,7 @@ static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
 
        elem = ieee80211_bss_get_elem(bss, WLAN_EID_EXT_CAPABILITY);
 
-       if (!elem || elem->datalen < 10 ||
+       if (!elem || elem->datalen <= 10 ||
            !(elem->data[10] &
              WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT))
                data->tolerated = false;