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    Subject[PATCH 5.18 433/879] mt76: mt7915: fix possible uninitialized pointer dereference in mt7986_wmac_gpio_setup
    Date
    From: Lorenzo Bianconi <lorenzo@kernel.org>

    [ Upstream commit 9bd6823f5a64b6465708b244eecc9b7dd4b01bfc ]

    Add default case for type switch in mt7986_wmac_gpio_setup routine in
    order to avoid a possible uninitialized pointer dereference.

    Fixes: 99ad32a4ca3a2 ("mt76: mt7915: add support for MT7986")
    Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
    Signed-off-by: Felix Fietkau <nbd@nbd.name>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/mediatek/mt76/mt7915/soc.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
    index 3028c02cb840..be448d471b03 100644
    --- a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
    +++ b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
    @@ -210,6 +210,8 @@ static int mt7986_wmac_gpio_setup(struct mt7915_dev *dev)
    if (IS_ERR_OR_NULL(state))
    return -EINVAL;
    break;
    + default:
    + return -EINVAL;
    }

    ret = pinctrl_select_state(pinctrl, state);
    --
    2.35.1


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