net/unix/sysctl_net_unix.c:23:4: error: field designator 'extra1' does not refer to any field in type 'const struct ctl_table'
net/unix/sysctl_net_unix.c:24:4: error: field designator 'extra2' does not refer to any field in type 'const struct ctl_table'
net/unix/sysctl_net_unix.c:32:36: error: invalid application of 'sizeof' to an incomplete type 'const struct ctl_table[]'
net/unix/sysctl_net_unix.c:54:12: error: invalid application of 'sizeof' to an incomplete type 'const struct ctl_table[]'