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    Subject[PATCH 5.15 317/913] ASoC: codecs: rx-macro: fix accessing compander for aux
    Date
    From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

    [ Upstream commit 42c709c4e1ce4c136891530646c9abd5dff3524f ]

    AUX interpolator does not have compander, so check before accessing
    compander data for this.

    Without this checkan array of out bounds access will be made in
    comp_enabled[] array.

    Fixes: 4f692926f562 ("ASoC: codecs: lpass-rx-macro: add dapm widgets and route")
    Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
    Link: https://lore.kernel.org/r/20220222183212.11580-2-srinivas.kandagatla@linaro.org
    Signed-off-by: Mark Brown <broonie@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    sound/soc/codecs/lpass-rx-macro.c | 4 ++++
    1 file changed, 4 insertions(+)

    diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
    index 0f932ca61c81..fafb8265dbb3 100644
    --- a/sound/soc/codecs/lpass-rx-macro.c
    +++ b/sound/soc/codecs/lpass-rx-macro.c
    @@ -2039,6 +2039,10 @@ static int rx_macro_load_compander_coeff(struct snd_soc_component *component,
    int i;
    int hph_pwr_mode;

    + /* AUX does not have compander */
    + if (comp == INTERP_AUX)
    + return 0;
    +
    if (!rx->comp_enabled[comp])
    return 0;

    --
    2.34.1


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