8  * Functions to manage BPF programs attached to netns
22 	struct list_head node; /* node in list of links attached to net */
300 	struct bpf_prog *attached;  in netns_bpf_prog_attach()  local
331 	attached = net->bpf.progs[type];  in netns_bpf_prog_attach()
332 	if (attached == prog) {  in netns_bpf_prog_attach()
333 		/* The same program cannot be attached twice */  in netns_bpf_prog_attach()
353 	if (attached)  in netns_bpf_prog_attach()
354 		bpf_prog_put(attached);  in netns_bpf_prog_attach()
367 	struct bpf_prog *attached;  in __netns_bpf_prog_detach()  local
369 	/* Progs attached via links cannot be detached */  in __netns_bpf_prog_detach()
373 	attached = net->bpf.progs[type];  in __netns_bpf_prog_detach()
374 	if (!attached || attached != old)  in __netns_bpf_prog_detach()
378 	bpf_prog_put(attached);  in __netns_bpf_prog_detach()