linux-kernel - [PATCH AUTOSEL 6.6 08/47] ASoC: SOF: topology: Fix mem leak in sof_dai

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Date:   Mon, 11 Dec 2023 08:50:09 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Kamil Duljas <kamil.duljas@...il.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        pierre-louis.bossart@...ux.intel.com, lgirdwood@...il.com,
        yung-chuan.liao@...ux.intel.com, ranjani.sridharan@...ux.intel.com,
        daniel.baluta@....com, perex@...ex.cz, tiwai@...e.com,
        sound-open-firmware@...a-project.org, linux-sound@...r.kernel.org
Subject: [PATCH AUTOSEL 6.6 08/47] ASoC: SOF: topology: Fix mem leak in sof_dai_load()

From: Kamil Duljas <kamil.duljas@...il.com>

[ Upstream commit 31e721fbd194d5723722eaa21df1d14cee7e12b5 ]

The function has multiple return points at which it is not released
previously allocated memory.

Signed-off-by: Kamil Duljas <kamil.duljas@...il.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Link: https://lore.kernel.org/r/20231116213926.2034-2-kamil.duljas@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/sof/topology.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index a3a3af252259d..37ec671a2d766 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1736,8 +1736,10 @@ static int sof_dai_load(struct snd_soc_component *scomp, int index,
 	/* perform pcm set op */
 	if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) {
 		ret = ipc_pcm_ops->pcm_setup(sdev, spcm);
-		if (ret < 0)
+		if (ret < 0) {
+			kfree(spcm);
 			return ret;
+		}
 	}
 
 	dai_drv->dobj.private = spcm;
-- 
2.42.0