diff options
| author | Peter Ujfalusi <peter.ujfalusi@linux.intel.com> | 2025-12-17 16:39:40 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-12-17 16:35:46 +0000 |
| commit | c1876fc33c5976837e4c73719c7582617efc6919 (patch) | |
| tree | d65147c25004ce9c5b9eb54dec62d66aacbe8ff8 | |
| parent | a653820700b81c9e6f05ac23b7969ecec1a18e85 (diff) | |
ASoC: SOF: ipc4-control: Use the correct size for scontrol->ipc_control_data
The size of the data behind scontrol->ipc_control_data is stored in
scontrol->size, use this when copying data for backup/restore.
Fixes: db38d86d0c54 ("ASoC: sof: Improve sof_ipc4_bytes_ext_put function")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://patch.msgid.link/20251217143945.2667-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/sof/ipc4-control.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/sof/ipc4-control.c b/sound/soc/sof/ipc4-control.c index 0a05f66ec7d9..80111672c179 100644 --- a/sound/soc/sof/ipc4-control.c +++ b/sound/soc/sof/ipc4-control.c @@ -66,7 +66,7 @@ static int sof_ipc4_set_get_kcontrol_data(struct snd_sof_control *scontrol, * configuration */ memcpy(scontrol->ipc_control_data, scontrol->old_ipc_control_data, - scontrol->max_size); + scontrol->size); kfree(scontrol->old_ipc_control_data); scontrol->old_ipc_control_data = NULL; /* Send the last known good configuration to firmware */ @@ -567,7 +567,7 @@ static int sof_ipc4_bytes_ext_put(struct snd_sof_control *scontrol, if (!scontrol->old_ipc_control_data) { /* Create a backup of the current, valid bytes control */ scontrol->old_ipc_control_data = kmemdup(scontrol->ipc_control_data, - scontrol->max_size, GFP_KERNEL); + scontrol->size, GFP_KERNEL); if (!scontrol->old_ipc_control_data) return -ENOMEM; } @@ -575,7 +575,7 @@ static int sof_ipc4_bytes_ext_put(struct snd_sof_control *scontrol, /* Copy the whole binary data which includes the ABI header and the payload */ if (copy_from_user(data, tlvd->tlv, header.length)) { memcpy(scontrol->ipc_control_data, scontrol->old_ipc_control_data, - scontrol->max_size); + scontrol->size); kfree(scontrol->old_ipc_control_data); scontrol->old_ipc_control_data = NULL; return -EFAULT; |