Warnings before patch:
files: ['net/ipv6/ip6_tunnel.c']
Warning: net/ipv6/ip6_tunnel.c:1884 No description found for return value of 'ip6_tnl_dev_init_gen'
Warning: net/ipv6/ip6_tunnel.c:1926 No description found for return value of 'ip6_tnl_dev_init'
Warning: net/ipv6/ip6_tunnel.c:1884 No description found for return value of 'ip6_tnl_dev_init_gen'
Warning: net/ipv6/ip6_tunnel.c:1926 No description found for return value of 'ip6_tnl_dev_init'

Current warnings:
files: ['net/ipv6/ip6_tunnel.c']
Warning: net/ipv6/ip6_tunnel.c:1884 No description found for return value of 'ip6_tnl_dev_init_gen'
Warning: net/ipv6/ip6_tunnel.c:1926 No description found for return value of 'ip6_tnl_dev_init'
Warning: net/ipv6/ip6_tunnel.c:1884 No description found for return value of 'ip6_tnl_dev_init_gen'
Warning: net/ipv6/ip6_tunnel.c:1926 No description found for return value of 'ip6_tnl_dev_init'

Warnings before: 4 after: 4