Warnings before patch:
files: ['net/ipv6/ip6_vti.c']
Warning: net/ipv6/ip6_vti.c:441 No description found for return value of 'vti6_xmit'
Warning: net/ipv6/ip6_vti.c:708 No description found for return value of 'vti6_tnl_change'
Warning: net/ipv6/ip6_vti.c:923 No description found for return value of 'vti6_dev_init_gen'
Warning: net/ipv6/ip6_vti.c:937 No description found for return value of 'vti6_dev_init'
Warning: net/ipv6/ip6_vti.c:441 No description found for return value of 'vti6_xmit'
Warning: net/ipv6/ip6_vti.c:708 No description found for return value of 'vti6_tnl_change'
Warning: net/ipv6/ip6_vti.c:923 No description found for return value of 'vti6_dev_init_gen'
Warning: net/ipv6/ip6_vti.c:937 No description found for return value of 'vti6_dev_init'

Current warnings:
files: ['net/ipv6/ip6_vti.c']
Warning: net/ipv6/ip6_vti.c:441 No description found for return value of 'vti6_xmit'
Warning: net/ipv6/ip6_vti.c:708 No description found for return value of 'vti6_tnl_change'
Warning: net/ipv6/ip6_vti.c:924 No description found for return value of 'vti6_dev_init_gen'
Warning: net/ipv6/ip6_vti.c:938 No description found for return value of 'vti6_dev_init'
Warning: net/ipv6/ip6_vti.c:441 No description found for return value of 'vti6_xmit'
Warning: net/ipv6/ip6_vti.c:708 No description found for return value of 'vti6_tnl_change'
Warning: net/ipv6/ip6_vti.c:924 No description found for return value of 'vti6_dev_init_gen'
Warning: net/ipv6/ip6_vti.c:938 No description found for return value of 'vti6_dev_init'

Warnings before: 8 after: 8