ASoC: amd: fix memory leak in acp3x pdm dma ops

[ Upstream commit 7f67ba5413f98d93116a756e7f17cd2c1d6c2bd6 ]

Fixes: 4a767b1d039a8 ("ASoC: amd: add acp3x pdm driver dma ops")
Signed-off-by: Chris Bainbridge <chris.bainbridge@gmail.com>
Link: https://patch.msgid.link/20260202205034.7697-1-chris.bainbridge@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c
index 95ac8c68003750529f23f34f13224c1d63423930..a560d06097d5e3a8af25a905504c8c79cdb17c56 100644 (file)
--- a/sound/soc/amd/renoir/acp3x-pdm-dma.c
+++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c
@@ -301,9 +301,11 @@ static int acp_pdm_dma_close(struct snd_soc_component *component,
                             struct snd_pcm_substream *substream)
 {
        struct pdm_dev_data *adata = dev_get_drvdata(component->dev);
+       struct pdm_stream_instance *rtd = substream->runtime->private_data;
 
        disable_pdm_interrupts(adata->acp_base);
        adata->capture_stream = NULL;
+       kfree(rtd);
        return 0;
 }