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: a72706e ("ASoC: codec2codec: remove ephemeral variables")
Cc: [email protected]
Signed-off-by: Samuel Holland <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: smaeul

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);
 
 out:
-	if (ret < 0)
-		kfree(runtime);
-
 	kfree(params);
 	return ret;
 }