Warnings before patch:
files: ['include/net/l3mdev.h', 'net/l3mdev/l3mdev.c']
Warning: net/l3mdev/l3mdev.c:110 No description found for return value of 'l3mdev_master_ifindex_rcu'
Warning: net/l3mdev/l3mdev.c:144 No description found for return value of 'l3mdev_master_upper_ifindex_by_index_rcu'
Warning: net/l3mdev/l3mdev.c:162 No description found for return value of 'l3mdev_fib_table_rcu'
Warning: net/l3mdev/l3mdev.c:219 No description found for return value of 'l3mdev_link_scope_lookup'
Warning: net/l3mdev/l3mdev.c:248 No description found for return value of 'l3mdev_fib_rule_match'
Warning: net/l3mdev/l3mdev.c:110 No description found for return value of 'l3mdev_master_ifindex_rcu'
Warning: net/l3mdev/l3mdev.c:144 No description found for return value of 'l3mdev_master_upper_ifindex_by_index_rcu'
Warning: net/l3mdev/l3mdev.c:162 No description found for return value of 'l3mdev_fib_table_rcu'
Warning: net/l3mdev/l3mdev.c:219 No description found for return value of 'l3mdev_link_scope_lookup'
Warning: net/l3mdev/l3mdev.c:248 No description found for return value of 'l3mdev_fib_rule_match'

Current warnings:
files: ['include/net/l3mdev.h', 'net/l3mdev/l3mdev.c']
Warning: net/l3mdev/l3mdev.c:110 No description found for return value of 'l3mdev_master_ifindex_rcu'
Warning: net/l3mdev/l3mdev.c:144 No description found for return value of 'l3mdev_master_upper_ifindex_by_index_rcu'
Warning: net/l3mdev/l3mdev.c:162 No description found for return value of 'l3mdev_fib_table_rcu'
Warning: net/l3mdev/l3mdev.c:219 No description found for return value of 'l3mdev_link_scope_lookup'
Warning: net/l3mdev/l3mdev.c:248 No description found for return value of 'l3mdev_fib_rule_match'
Warning: net/l3mdev/l3mdev.c:110 No description found for return value of 'l3mdev_master_ifindex_rcu'
Warning: net/l3mdev/l3mdev.c:144 No description found for return value of 'l3mdev_master_upper_ifindex_by_index_rcu'
Warning: net/l3mdev/l3mdev.c:162 No description found for return value of 'l3mdev_fib_table_rcu'
Warning: net/l3mdev/l3mdev.c:219 No description found for return value of 'l3mdev_link_scope_lookup'
Warning: net/l3mdev/l3mdev.c:248 No description found for return value of 'l3mdev_fib_rule_match'

Warnings before: 10 after: 10