diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 4a7e20bb11bc..802c5ed4a5ba 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -1569,7 +1569,7 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct es1968 *chip = snd_pcm_substream_chip(substream);
 	struct esschan *es;
-	int apu1, apu2;
+	int err, apu1, apu2;
 
 	apu1 = snd_es1968_alloc_apu_pair(chip, ESM_APU_PCM_CAPTURE);
 	if (apu1 < 0)
@@ -1613,7 +1613,9 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream)
 	runtime->hw = snd_es1968_capture;
 	runtime->hw.buffer_bytes_max = runtime->hw.period_bytes_max =
 		calc_available_memory_size(chip) - 1024; /* keep MIXBUF size */
-	snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
+	err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
+	if (err < 0)
+		return err;
 
 	spin_lock_irq(&chip->substream_lock);
 	list_add(&es->list, &chip->substream_list);