Warnings before patch:
files: ['drivers/net/ethernet/intel/igc/igc_hw.h', 'drivers/net/ethernet/intel/igc/igc_mac.c']
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:21 No description found for return value of 'igc_disable_pcie_master'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:82 No description found for return value of 'igc_set_fc_watermarks'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:119 No description found for return value of 'igc_setup_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:176 No description found for return value of 'igc_force_mac_fc'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:355 No description found for return value of 'igc_check_for_copper_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:444 No description found for return value of 'igc_config_fc_after_link_up'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:640 No description found for return value of 'igc_get_auto_rd_done'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:672 No description found for return value of 'igc_get_speed_and_duplex_copper'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:733 No description found for return value of 'igc_enable_mng_pass_thru'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:778 No description found for return value of 'igc_hash_mc_addr'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:21 No description found for return value of 'igc_disable_pcie_master'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:82 No description found for return value of 'igc_set_fc_watermarks'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:119 No description found for return value of 'igc_setup_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:176 No description found for return value of 'igc_force_mac_fc'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:355 No description found for return value of 'igc_check_for_copper_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:444 No description found for return value of 'igc_config_fc_after_link_up'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:640 No description found for return value of 'igc_get_auto_rd_done'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:672 No description found for return value of 'igc_get_speed_and_duplex_copper'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:733 No description found for return value of 'igc_enable_mng_pass_thru'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:778 No description found for return value of 'igc_hash_mc_addr'

Current warnings:
files: ['drivers/net/ethernet/intel/igc/igc_hw.h', 'drivers/net/ethernet/intel/igc/igc_mac.c']
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:21 No description found for return value of 'igc_disable_pcie_master'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:82 No description found for return value of 'igc_set_fc_watermarks'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:119 No description found for return value of 'igc_setup_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:176 No description found for return value of 'igc_force_mac_fc'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:355 No description found for return value of 'igc_check_for_copper_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:443 No description found for return value of 'igc_config_fc_after_link_up'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:626 No description found for return value of 'igc_get_auto_rd_done'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:658 No description found for return value of 'igc_get_speed_and_duplex_copper'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:719 No description found for return value of 'igc_enable_mng_pass_thru'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:764 No description found for return value of 'igc_hash_mc_addr'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:21 No description found for return value of 'igc_disable_pcie_master'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:82 No description found for return value of 'igc_set_fc_watermarks'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:119 No description found for return value of 'igc_setup_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:176 No description found for return value of 'igc_force_mac_fc'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:355 No description found for return value of 'igc_check_for_copper_link'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:443 No description found for return value of 'igc_config_fc_after_link_up'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:626 No description found for return value of 'igc_get_auto_rd_done'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:658 No description found for return value of 'igc_get_speed_and_duplex_copper'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:719 No description found for return value of 'igc_enable_mng_pass_thru'
Warning: drivers/net/ethernet/intel/igc/igc_mac.c:764 No description found for return value of 'igc_hash_mc_addr'

Warnings before: 20 after: 20