Warnings before patch:
files: ['drivers/net/ethernet/sfc/mcdi.c']
Warning: drivers/net/ethernet/sfc/mcdi.c:1048 No description found for return value of 'efx_mcdi_rpc_async'
Warning: drivers/net/ethernet/sfc/mcdi.c:1048 No description found for return value of 'efx_mcdi_rpc_async'

Current warnings:
files: ['drivers/net/ethernet/sfc/mcdi.c']
Warning: drivers/net/ethernet/sfc/mcdi.c:1049 No description found for return value of 'efx_mcdi_rpc_async'
Warning: drivers/net/ethernet/sfc/mcdi.c:1049 No description found for return value of 'efx_mcdi_rpc_async'

Warnings before: 2 after: 2