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| author | Mark Brown <broonie@kernel.org> | 2024-01-03 21:34:02 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-01-03 21:37:01 +0300 |
| commit | 1e001206804be3f3d21f4a1cf16e5d059d75643f (patch) | |
| tree | 840f7e7bc1786792fc7c9f66910c0fb6ff9032eb /sound | |
| parent | 3150b70e944ead909260285dfb5707d0bedcf87b (diff) | |
| download | linux-1e001206804be3f3d21f4a1cf16e5d059d75643f.tar.xz | |
ASoC: meson: g12a-tohdmitx: Validate written enum values
When writing to an enum we need to verify that the value written is valid
for the enumeration, the helper function snd_soc_item_enum_to_val() doesn't
do it since it needs to return an unsigned (and in any case we'd need to
check the return value).
Fixes: c8609f3870f7 ("ASoC: meson: add g12a tohdmitx control")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240103-meson-enum-val-v1-2-424af7a8fb91@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/meson/g12a-tohdmitx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c index f7ef9aa1eed8..51b7703e1834 100644 --- a/sound/soc/meson/g12a-tohdmitx.c +++ b/sound/soc/meson/g12a-tohdmitx.c @@ -45,6 +45,9 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned int mux, changed; + if (ucontrol->value.enumerated.item[0] >= e->items) + return -EINVAL; + mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]); changed = snd_soc_component_test_bits(component, e->reg, CTRL0_I2S_DAT_SEL, @@ -93,6 +96,9 @@ static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned int mux, changed; + if (ucontrol->value.enumerated.item[0] >= e->items) + return -EINVAL; + mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]); changed = snd_soc_component_test_bits(component, TOHDMITX_CTRL0, CTRL0_SPDIF_SEL, |