diff --git a/sound/pci/als300.c b/sound/pci/als300.c
index 00f157a2cf64..5af3cb6b0c18 100644
--- a/sound/pci/als300.c
+++ b/sound/pci/als300.c
@@ -394,6 +394,8 @@ static int snd_als300_playback_open(struct snd_pcm_substream *substream)
 	struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
 								GFP_KERNEL);
 
+	if (!data)
+		return -ENOMEM;
 	snd_als300_dbgcallenter();
 	chip->playback_substream = substream;
 	runtime->hw = snd_als300_playback_hw;
@@ -425,6 +427,8 @@ static int snd_als300_capture_open(struct snd_pcm_substream *substream)
 	struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
 								GFP_KERNEL);
 
+	if (!data)
+		return -ENOMEM;
 	snd_als300_dbgcallenter();
 	chip->capture_substream = substream;
 	runtime->hw = snd_als300_capture_hw;