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SubjectApplied "ASoC: codec2codec: avoid invalid/double-free of pcm runtime" to the asoc tree
The patch

ASoC: codec2codec: avoid invalid/double-free of pcm runtime

has been applied to the asoc tree at for-5.6

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From b6570fdb96edf45bcf71884bd2644bd73d348d1a Mon Sep 17 00:00:00 2001
From: Samuel Holland <>
Date: Thu, 13 Feb 2020 00:11:44 -0600
Subject: [PATCH] ASoC: codec2codec: avoid invalid/double-free of pcm runtime

The PCM runtime was freed during PMU in the case that the event hook
encountered an error. However, it is also unconditionally freed during
PMD. Avoid a double-free by dropping the call to kfree in the PMU hook.

Fixes: a72706ed8208 ("ASoC: codec2codec: remove ephemeral variables")
Signed-off-by: Samuel Holland <>
Signed-off-by: Mark Brown <>
sound/soc/soc-dapm.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index bc20ad9abf8b..8b24396675ec 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3916,9 +3916,6 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
runtime->rate = params_rate(params);

- if (ret < 0)
- kfree(runtime);
return ret;
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