nfp/bpf/verifier.c

686 			nfp_prog->subprog[index].needs_reg_push = 1;
714 	frame_depths[frame] = nfp_prog->subprog[idx].stack_depth;
726 		 * return to and subprog id.
738 	/* End of for() loop means the last instruction of the subprog was
773 	nfp_prog->subprog = kcalloc(nfp_prog->subprog_cnt,
774 				    sizeof(nfp_prog->subprog[0]), GFP_KERNEL);
775 	if (!nfp_prog->subprog)
782 		nfp_prog->subprog[i].stack_depth = info[i].stack_depth;
788 		nfp_prog->subprog[i].stack_depth += REG_WIDTH;
790 		if (nfp_prog->subprog[i].needs_reg_push)
791 			nfp_prog->subprog[i].stack_depth += BPF_REG_SIZE * 4;