kernel/bpf/core.c

2618 	struct bpf_prog_array_item *existing, *new;
2622 	/* Figure out how many existing progs we need to carry over to
2626 		existing = old_array->items;
2627 		for (; existing->prog; existing++) {
2628 			if (existing->prog == exclude_prog) {
2632 			if (existing->prog != &dummy_bpf_prog.prog)
2634 			if (existing->prog == include_prog)
2661 		existing = old_array->items;
2662 		for (; existing->prog; existing++) {
2663 			if (existing->prog == exclude_prog ||
2664 			    existing->prog == &dummy_bpf_prog.prog)
2667 			new->prog = existing->prog;
2668 			new->bpf_cookie = existing->bpf_cookie;