diff --git a/sound/usb/qcom/qc_audio_offload.c b/sound/usb/qcom/qc_audio_offload.c
index 5f993b88448c..a0009503b2c5 100644
--- a/sound/usb/qcom/qc_audio_offload.c
+++ b/sound/usb/qcom/qc_audio_offload.c
@@ -565,6 +565,7 @@ static unsigned long uaudio_iommu_map_pa(enum mem_type mtype, bool dma_coherent,
 	unsigned long iova = 0;
 	bool map = true;
 	int prot = uaudio_iommu_map_prot(dma_coherent);
+	int ret;
 
 	switch (mtype) {
 	case MEM_EVENT_RING:
@@ -582,10 +583,24 @@ static unsigned long uaudio_iommu_map_pa(enum mem_type mtype, bool dma_coherent,
 		dev_err(uaudio_qdev->data->dev, "unknown mem type %d\n", mtype);
 	}
 
-	if (!iova || !map)
+	if (!iova)
 		return 0;
 
-	iommu_map(uaudio_qdev->data->domain, iova, pa, size, prot, GFP_KERNEL);
+	if (!map)
+		return iova;
+
+	ret = iommu_map(uaudio_qdev->data->domain, iova, pa, size, prot,
+			GFP_KERNEL);
+	if (ret) {
+		dev_err(uaudio_qdev->data->dev,
+			"failed to map %zu bytes at iova 0x%08lx: %d\n",
+			size, iova, ret);
+		if (mtype == MEM_XFER_RING)
+			uaudio_put_iova(iova, size,
+					&uaudio_qdev->xfer_ring_list,
+					&uaudio_qdev->xfer_ring_iova_size);
+		return 0;
+	}
 
 	return iova;
 }
@@ -1054,15 +1069,17 @@ static int uaudio_transfer_buffer_setup(struct snd_usb_substream *subs,
 	if (!xfer_buf)
 		return -ENOMEM;
 
-	dma_get_sgtable(subs->dev->bus->sysdev, &xfer_buf_sgt, xfer_buf,
-			xfer_buf_dma, len);
+	ret = dma_get_sgtable(subs->dev->bus->sysdev, &xfer_buf_sgt, xfer_buf,
+			      xfer_buf_dma, len);
+	if (ret)
+		goto free_xfer_buf;
 
 	/* map the physical buffer into sysdev as well */
 	xfer_buf_dma_sysdev = uaudio_iommu_map_xfer_buf(dma_coherent,
 							len, &xfer_buf_sgt);
 	if (!xfer_buf_dma_sysdev) {
 		ret = -ENOMEM;
-		goto unmap_sync;
+		goto free_sgt;
 	}
 
 	mem_info->dma = xfer_buf_dma;
@@ -1073,7 +1090,9 @@ static int uaudio_transfer_buffer_setup(struct snd_usb_substream *subs,
 
 	return 0;
 
-unmap_sync:
+free_sgt:
+	sg_free_table(&xfer_buf_sgt);
+free_xfer_buf:
 	usb_free_coherent(subs->dev, len, xfer_buf, xfer_buf_dma);
 
 	return ret;