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    Subject[PATCH 5.10 226/575] mt76: mt7915: fix an off-by-one bound check
    Date
    From: Ryder Lee <ryder.lee@mediatek.com>

    [ Upstream commit d45dac0732a287fc371a23f257cce04e65627947 ]

    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>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
    index ea71409751519..7c2d09a64882e 100644
    --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
    +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
    @@ -830,7 +830,7 @@ 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;
    --
    2.33.0


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