kernel/bpf/verifier.c

2960 	int i, subprog_start, subprog_end, off, cur_subprog = 0;
2966 	subprog_start = subprog[cur_subprog].start;
2986 		if (off < subprog_start || off >= subprog_end) {
3002 			subprog_start = subprog_end;
19113 	int i, j, subprog_start, subprog_end = 0, len, subprog;
19164 		subprog_start = subprog_end;
19167 		len = subprog_end - subprog_start;
19176 		memcpy(func[i]->insnsi, &prog->insnsi[subprog_start],
19196 			    poke->insn_idx >= subprog_start)
20224 		int subprog_start = subprogs[i].start;
20238 		insn_buf[1] = env->prog->insnsi[subprog_start];
20240 		new_prog = bpf_patch_insn_data(env, subprog_start, insn_buf, 2);