Warnings before patch:
files: ['sound/usb/qcom/qc_audio_offload.c', 'sound/usb/qcom/usb_audio_qmi_v01.h']
Warning: sound/usb/qcom/qc_audio_offload.c:563 No description found for return value of 'uaudio_iommu_map_pa'
Warning: sound/usb/qcom/qc_audio_offload.c:811 No description found for return value of 'uaudio_sideband_notifier'
Warning: sound/usb/qcom/qc_audio_offload.c:937 No description found for return value of 'enable_audio_stream'
Warning: sound/usb/qcom/qc_audio_offload.c:1021 No description found for return value of 'uaudio_transfer_buffer_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1099 No description found for return value of 'uaudio_endpoint_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1173 No description found for return value of 'uaudio_event_ring_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1237 No description found for return value of 'uaudio_populate_uac_desc'
Warning: sound/usb/qcom/qc_audio_offload.c:1346 No description found for return value of 'prepare_qmi_response'
Warning: sound/usb/qcom/qc_audio_offload.c:1687 No description found for return value of 'qc_usb_audio_offload_init_qmi_dev'
Warning: sound/usb/qcom/qc_audio_offload.c:563 No description found for return value of 'uaudio_iommu_map_pa'
Warning: sound/usb/qcom/qc_audio_offload.c:811 No description found for return value of 'uaudio_sideband_notifier'
Warning: sound/usb/qcom/qc_audio_offload.c:937 No description found for return value of 'enable_audio_stream'
Warning: sound/usb/qcom/qc_audio_offload.c:1021 No description found for return value of 'uaudio_transfer_buffer_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1099 No description found for return value of 'uaudio_endpoint_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1173 No description found for return value of 'uaudio_event_ring_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1237 No description found for return value of 'uaudio_populate_uac_desc'
Warning: sound/usb/qcom/qc_audio_offload.c:1346 No description found for return value of 'prepare_qmi_response'
Warning: sound/usb/qcom/qc_audio_offload.c:1687 No description found for return value of 'qc_usb_audio_offload_init_qmi_dev'

Current warnings:
files: ['sound/usb/qcom/qc_audio_offload.c', 'sound/usb/qcom/usb_audio_qmi_v01.h']
Warning: sound/usb/qcom/qc_audio_offload.c:563 No description found for return value of 'uaudio_iommu_map_pa'
Warning: sound/usb/qcom/qc_audio_offload.c:811 No description found for return value of 'uaudio_sideband_notifier'
Warning: sound/usb/qcom/qc_audio_offload.c:937 No description found for return value of 'enable_audio_stream'
Warning: sound/usb/qcom/qc_audio_offload.c:1021 No description found for return value of 'uaudio_transfer_buffer_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1099 No description found for return value of 'uaudio_endpoint_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1173 No description found for return value of 'uaudio_event_ring_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1237 No description found for return value of 'uaudio_populate_uac_desc'
Warning: sound/usb/qcom/qc_audio_offload.c:1346 No description found for return value of 'prepare_qmi_response'
Warning: sound/usb/qcom/qc_audio_offload.c:1687 No description found for return value of 'qc_usb_audio_offload_init_qmi_dev'
Warning: sound/usb/qcom/qc_audio_offload.c:563 No description found for return value of 'uaudio_iommu_map_pa'
Warning: sound/usb/qcom/qc_audio_offload.c:811 No description found for return value of 'uaudio_sideband_notifier'
Warning: sound/usb/qcom/qc_audio_offload.c:937 No description found for return value of 'enable_audio_stream'
Warning: sound/usb/qcom/qc_audio_offload.c:1021 No description found for return value of 'uaudio_transfer_buffer_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1099 No description found for return value of 'uaudio_endpoint_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1173 No description found for return value of 'uaudio_event_ring_setup'
Warning: sound/usb/qcom/qc_audio_offload.c:1237 No description found for return value of 'uaudio_populate_uac_desc'
Warning: sound/usb/qcom/qc_audio_offload.c:1346 No description found for return value of 'prepare_qmi_response'
Warning: sound/usb/qcom/qc_audio_offload.c:1687 No description found for return value of 'qc_usb_audio_offload_init_qmi_dev'

Warnings before: 18 after: 18