Warnings before patch:
files: ['net/ipv4/ipmr.c']
Warning: net/ipv4/ipmr.c:668 No description found for return value of 'vif_delete'
Warning: net/ipv4/ipmr.c:668 No description found for return value of 'vif_delete'

Current warnings:
files: ['net/ipv4/ipmr.c']
Warning: net/ipv4/ipmr.c:668 No description found for return value of 'vif_delete'
Warning: net/ipv4/ipmr.c:668 No description found for return value of 'vif_delete'

Warnings before: 2 after: 2