../net/smc/smc_ops.c: In function ‘smc_ops_reg’:
../net/smc/smc_ops.c:27:17: error: implicit declaration of function ‘list_add_tail_rcu’; did you mean ‘list_add_tail’? [-Wimplicit-function-declaration]
   27 |                 list_add_tail_rcu(&ops->list, &smc_ops_list);
      |                 ^~~~~~~~~~~~~~~~~
      |                 list_add_tail
../net/smc/smc_ops.c: In function ‘smc_ops_unreg’:
../net/smc/smc_ops.c:35:9: error: implicit declaration of function ‘list_del_rcu’; did you mean ‘list_del_init’? [-Wimplicit-function-declaration]
   35 |         list_del_rcu(&ops->list);
      |         ^~~~~~~~~~~~
      |         list_del_init
../net/smc/smc_ops.c: In function ‘smc_ops_find_by_name’:
../net/smc/smc_ops.c:46:9: error: implicit declaration of function ‘list_for_each_entry_rcu’; did you mean ‘list_for_each_entry_from’? [-Wimplicit-function-declaration]
   46 |         list_for_each_entry_rcu(ops, &smc_ops_list, list) {
      |         ^~~~~~~~~~~~~~~~~~~~~~~
      |         list_for_each_entry_from
../net/smc/smc_ops.c:46:53: error: ‘list’ undeclared (first use in this function); did you mean ‘klist’?
   46 |         list_for_each_entry_rcu(ops, &smc_ops_list, list) {
      |                                                     ^~~~
      |                                                     klist
../net/smc/smc_ops.c:46:53: note: each undeclared identifier is reported only once for each function it appears in
../net/smc/smc_ops.c:46:58: error: expected ‘;’ before ‘{’ token
   46 |         list_for_each_entry_rcu(ops, &smc_ops_list, list) {
      |                                                          ^~
      |                                                          ;
../net/smc/smc_ops.c:51:1: error: control reaches end of non-void function [-Werror=return-type]
   51 | }
      | ^
../net/smc/smc_ops.c: At top level:
../net/smc/smc_ops.c:32:13: warning: ‘smc_ops_unreg’ defined but not used [-Wunused-function]
   32 | static void smc_ops_unreg(struct smc_ops *ops)
      |             ^~~~~~~~~~~~~
../net/smc/smc_ops.c:18:12: warning: ‘smc_ops_reg’ defined but not used [-Wunused-function]
   18 | static int smc_ops_reg(struct smc_ops *ops)
      |            ^~~~~~~~~~~
cc1: some warnings being treated as errors
make[5]: *** [../scripts/Makefile.build:194: net/smc/smc_ops.o] Error 1
make[4]: *** [../scripts/Makefile.build:440: net/smc] Error 2
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [../scripts/Makefile.build:440: net] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/home/nipa/bpf-next/wt-0/Makefile:1989: .] Error 2
make[1]: *** [/home/nipa/bpf-next/wt-0/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/gpib/fmh_gpib/fmh_gpib.o