From: Keyon Jie <yang.jie@xxxxxxxxxxxxxxx>
The size for the bytes kcontrol should include the abi header, that is,
data->size + sizeof(*data), it is also aligned with get method after
this change.
Fixes: c3078f53970 ("ASoC: SOF: Add Sound Open Firmware KControl support")
Reviewed-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Keyon Jie <yang.jie@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/control.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c
index 11762c4580f1..84e2cbfbbcbb 100644
--- a/sound/soc/sof/control.c
+++ b/sound/soc/sof/control.c
@@ -349,6 +349,7 @@ int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
struct snd_sof_dev *sdev = scontrol->sdev;
struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
struct sof_abi_hdr *data = cdata->data;
+ size_t size = data->size + sizeof(*data);
int ret, err;
if (be->max > sizeof(ucontrol->value.bytes.data)) {
@@ -358,10 +359,10 @@ int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
return -EINVAL;
}
- if (data->size > be->max) {
+ if (size > be->max) {
dev_err_ratelimited(sdev->dev,
- "error: size too big %d bytes max is %d\n",
- data->size, be->max);
+ "error: size too big %zu bytes max is %d\n",
+ size, be->max);
return -EINVAL;
}
@@ -375,7 +376,7 @@ int snd_sof_bytes_put(struct snd_kcontrol *kcontrol,
}
/* copy from kcontrol */
- memcpy(data, ucontrol->value.bytes.data, data->size);
+ memcpy(data, ucontrol->value.bytes.data, size);
/* notify DSP of byte control updates */
snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
--
2.20.1
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
