1 files changed, 7 insertions, 0 deletions

diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index ac8678fe55ff..556b1a789629 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -349,6 +349,13 @@ void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link)
         /* Assumes platform == cpu */
         if (!dai_link->platforms->of_node)
                 dai_link->platforms->of_node = dai_link->cpus->of_node;
+
+        /*
+         * DPCM BE can be no platform.
+         * Alloced memory will be waste, but not leak.
+         */
+        if (!dai_link->platforms->of_node)
+                dai_link->num_platforms = 0;
 }
 EXPORT_SYMBOL_GPL(asoc_simple_canonicalize_platform);