9  * Functions to manage BPF programs attached to netns
23 	struct list_head node; /* node in list of links attached to net */
301 	struct bpf_prog *attached;  in netns_bpf_prog_attach()  local
332 	attached = net->bpf.progs[type];  in netns_bpf_prog_attach()
333 	if (attached == prog) {  in netns_bpf_prog_attach()
334 		/* The same program cannot be attached twice */  in netns_bpf_prog_attach()
354 	if (attached)  in netns_bpf_prog_attach()
355 		bpf_prog_put(attached);  in netns_bpf_prog_attach()
368 	struct bpf_prog *attached;  in __netns_bpf_prog_detach()  local
370 	/* Progs attached via links cannot be detached */  in __netns_bpf_prog_detach()
374 	attached = net->bpf.progs[type];  in __netns_bpf_prog_detach()
375 	if (!attached || attached != old)  in __netns_bpf_prog_detach()
379 	bpf_prog_put(attached);  in __netns_bpf_prog_detach()