On Tue Sep 9, 2025 at 1:19 PM BST, Srinivas Kandagatla wrote:
For some reason we endup with setting soundwire port for HPHL_COMP and HPHR_COMP as zero, this can potentially result in a memory corruption due to accessing and setting -1 th element of port_map array.
Fixes: 82be8c62a38c ("ASoC: codecs: wcd937x: add basic controls") Cc: Stable@vger.kernel.org Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@oss.qualcomm.com
Reviewed-by: Alexey Klimov alexey.klimov@linaro.org
sound/soc/codecs/wcd937x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/wcd937x.c b/sound/soc/codecs/wcd937x.c index 3b0a8cc314e0..de2dff3c56d3 100644 --- a/sound/soc/codecs/wcd937x.c +++ b/sound/soc/codecs/wcd937x.c @@ -2046,9 +2046,9 @@ static const struct snd_kcontrol_new wcd937x_snd_controls[] = { SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum, wcd937x_rx_hph_mode_get, wcd937x_rx_hph_mode_put),
- SOC_SINGLE_EXT("HPHL_COMP Switch", SND_SOC_NOPM, 0, 1, 0,
- SOC_SINGLE_EXT("HPHL_COMP Switch", WCD937X_COMP_L, 0, 1, 0, wcd937x_get_compander, wcd937x_set_compander),
- SOC_SINGLE_EXT("HPHR_COMP Switch", SND_SOC_NOPM, 1, 1, 0,
- SOC_SINGLE_EXT("HPHR_COMP Switch", WCD937X_COMP_R, 1, 1, 0, wcd937x_get_compander, wcd937x_set_compander),
SOC_SINGLE_TLV("HPHL Volume", WCD937X_HPH_L_EN, 0, 20, 1, line_gain),