../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_printk’:
../kernel/trace/bpf_trace.c:377:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  377 |         ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
      |         ^~~
../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_vprintk’:
../kernel/trace/bpf_trace.c:433:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  433 |         ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
      |         ^~~
../kernel/trace/bpf_trace.c: In function ‘____bpf_seq_printf’:
../kernel/trace/bpf_trace.c:475:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  475 |         seq_bprintf(m, fmt, data.bin_args);
      |         ^~~~~~~~~~~
../kernel/bpf/bpf_local_storage.c: In function ‘bpf_local_storage_destroy’:
../kernel/bpf/bpf_local_storage.c:778:13: warning: unused variable ‘err’ [-Wunused-variable]
  778 |         int err;
      |             ^~~
../kernel/bpf/bpf_local_storage.c: In function ‘bpf_selem_unlink’:
../kernel/bpf/bpf_local_storage.c:447:17: error: ‘return’ with no value, in function returning non-void [-Wreturn-mismatch]
  447 |                 return;
      |                 ^~~~~~
../kernel/bpf/bpf_local_storage.c:436:5: note: declared here
  436 | int bpf_selem_unlink(struct bpf_local_storage_elem *selem, bool reuse_now)
      |     ^~~~~~~~~~~~~~~~
../kernel/bpf/bpf_local_storage.c: In function ‘bpf_local_storage_destroy’:
../kernel/bpf/bpf_local_storage.c:780:13: warning: unused variable ‘err’ [-Wunused-variable]
  780 |         int err;
      |             ^~~
make[5]: *** [../scripts/Makefile.build:287: kernel/bpf/bpf_local_storage.o] Error 1
make[5]: *** Waiting for unfinished jobs....
../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_printk’:
../kernel/trace/bpf_trace.c:377:9: warning: function ‘____bpf_trace_printk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  377 |         ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
      |         ^~~
../kernel/trace/bpf_trace.c: In function ‘____bpf_trace_vprintk’:
../kernel/trace/bpf_trace.c:433:9: warning: function ‘____bpf_trace_vprintk’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  433 |         ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
      |         ^~~
../kernel/trace/bpf_trace.c: In function ‘____bpf_seq_printf’:
../kernel/trace/bpf_trace.c:475:9: warning: function ‘____bpf_seq_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  475 |         seq_bprintf(m, fmt, data.bin_args);
      |         ^~~~~~~~~~~
make[4]: *** [../scripts/Makefile.build:556: kernel/bpf] Error 2
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [../scripts/Makefile.build:556: kernel] Error 2
make[2]: *** [/home/nipa/bpf-next/wt-0/Makefile:2011: .] Error 2
make[1]: *** [/home/nipa/bpf-next/wt-0/Makefile:248: __sub-make] Error 2
make: *** [Makefile:248: __sub-make] Error 2
New errors added
--- /tmp/tmp.PxDlWtUdih	2025-10-02 16:24:20.783312153 -0700
+++ /tmp/tmp.j6c64rmC1w	2025-10-02 16:24:41.654595871 -0700
@@ -0,0 +1,13 @@
+../kernel/bpf/bpf_local_storage.c: In function ‘bpf_selem_unlink’:
+../kernel/bpf/bpf_local_storage.c:447:17: error: ‘return’ with no value, in function returning non-void [-Wreturn-mismatch]
+  447 |                 return;
+      |                 ^~~~~~
+../kernel/bpf/bpf_local_storage.c:436:5: note: declared here
+  436 | int bpf_selem_unlink(struct bpf_local_storage_elem *selem, bool reuse_now)
+      |     ^~~~~~~~~~~~~~~~
+../kernel/bpf/bpf_local_storage.c: In function ‘bpf_local_storage_destroy’:
+../kernel/bpf/bpf_local_storage.c:780:13: warning: unused variable ‘err’ [-Wunused-variable]
+  780 |         int err;
+      |             ^~~
+make[5]: *** [../scripts/Makefile.build:287: kernel/bpf/bpf_local_storage.o] Error 1
+make[5]: *** Waiting for unfinished jobs....
@@ -13,4 +26,6 @@
-../kernel/bpf/bpf_local_storage.c: In function ‘bpf_local_storage_destroy’:
-../kernel/bpf/bpf_local_storage.c:778:13: warning: unused variable ‘err’ [-Wunused-variable]
-  778 |         int err;
-      |             ^~~
+make[4]: *** [../scripts/Makefile.build:556: kernel/bpf] Error 2
+make[4]: *** Waiting for unfinished jobs....
+make[3]: *** [../scripts/Makefile.build:556: kernel] Error 2
+make[2]: *** [/home/nipa/bpf-next/wt-0/Makefile:2011: .] Error 2
+make[1]: *** [/home/nipa/bpf-next/wt-0/Makefile:248: __sub-make] Error 2
+make: *** [Makefile:248: __sub-make] Error 2
Per-file breakdown
--- /tmp/tmp.Bj5MKhLfST	2025-10-02 16:24:41.662748177 -0700
+++ /tmp/tmp.mvzdNVhCZU	2025-10-02 16:24:41.665748157 -0700
@@ -1 +1 @@
-      1 ../kernel/bpf/bpf_local_storage.c
+      2 ../kernel/bpf/bpf_local_storage.c