Re: [PATCH] ASoC: SOF: ipc: Fix memory leak in sof_set_get_large_ctrl_data

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On 10/27/19 4:53 PM, Navid Emamdoost wrote:
In the implementation of sof_set_get_large_ctrl_data() there is a memory
leak in case an error. Release partdata if sof_get_ctrl_copy_params()
fails.

Fixes: 54d198d5019d ("ASoC: SOF: Propagate sof_get_ctrl_copy_params() error properly")
Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

May I ask which tool you used to find those issues, looks like we have a gap here?

---
  sound/soc/sof/ipc.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index b2f359d2f7e5..086eeeab8679 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -572,8 +572,10 @@ static int sof_set_get_large_ctrl_data(struct snd_sof_dev *sdev,
  	else
  		err = sof_get_ctrl_copy_params(cdata->type, partdata, cdata,
  					       sparams);
-	if (err < 0)
+	if (err < 0) {
+		kfree(partdata);
  		return err;
+	}
msg_bytes = sparams->msg_bytes;
  	pl_size = sparams->pl_size;

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