This is a note to let you know that I've just added the patch titled
ASoC: SOF: ipc4: check return value of snd_sof_ipc_msg_data
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-sof-ipc4-check-return-value-of-snd_sof_ipc_msg_.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a4c854a1cf9166d64afc70fc9feeac49ff529af6
Author: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Date: Wed Nov 29 14:20:21 2023 +0200
ASoC: SOF: ipc4: check return value of snd_sof_ipc_msg_data
[ Upstream commit 2bd512626f8ea3957c981cadd2ebf75feff737dd ]
snd_sof_ipc_msg_data could return error.
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231129122021.679-1-peter.ujfalusi@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c
index 06e1872abfee7..1449837b0fb2c 100644
--- a/sound/soc/sof/ipc4.c
+++ b/sound/soc/sof/ipc4.c
@@ -616,7 +616,14 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev)
return;
ipc4_msg->data_size = data_size;
- snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size);
+ err = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size);
+ if (err < 0) {
+ dev_err(sdev->dev, "failed to read IPC notification data: %d\n", err);
+ kfree(ipc4_msg->data_ptr);
+ ipc4_msg->data_ptr = NULL;
+ ipc4_msg->data_size = 0;
+ return;
+ }
}
sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true);
