Warnings before patch:
files: ['drivers/net/wireless/ath/ath9k/hw.c']
Warning: drivers/net/wireless/ath/ath9k/hw.c:2406 No description found for return value of 'ath9k_hw_dfs_tested'
Warning: drivers/net/wireless/ath/ath9k/hw.c:2406 No description found for return value of 'ath9k_hw_dfs_tested'

Current warnings:
files: ['drivers/net/wireless/ath/ath9k/hw.c']
Warning: drivers/net/wireless/ath/ath9k/hw.c:2412 No description found for return value of 'ath9k_hw_dfs_tested'
Warning: drivers/net/wireless/ath/ath9k/hw.c:2412 No description found for return value of 'ath9k_hw_dfs_tested'

Warnings before: 2 after: 2