899 	struct bpf_shim_tramp_link *shim_link =  in bpf_shim_tramp_link_release()  local
903 	if (!shim_link->trampoline)  in bpf_shim_tramp_link_release()
906 	WARN_ON_ONCE(bpf_trampoline_unlink_prog(&shim_link->link, shim_link->trampoline, NULL));  in bpf_shim_tramp_link_release()
907 	bpf_trampoline_put(shim_link->trampoline);  in bpf_shim_tramp_link_release()
912 	struct bpf_shim_tramp_link *shim_link =  in bpf_shim_tramp_link_dealloc()  local
915 	kfree(shim_link);  in bpf_shim_tramp_link_dealloc()
928 	struct bpf_shim_tramp_link *shim_link = NULL;  in cgroup_shim_alloc()  local
931 	shim_link = kzalloc_obj(*shim_link, GFP_USER);  in cgroup_shim_alloc()
932 	if (!shim_link)  in cgroup_shim_alloc()
937 		kfree(shim_link);  in cgroup_shim_alloc()
952 	bpf_link_init(&shim_link->link.link, BPF_LINK_TYPE_UNSPEC,  in cgroup_shim_alloc()
956 	return shim_link;  in cgroup_shim_alloc()
981 	struct bpf_shim_tramp_link *shim_link = NULL;  in bpf_trampoline_link_cgroup_shim()  local
1004 	shim_link = cgroup_shim_find(tr, bpf_func);  in bpf_trampoline_link_cgroup_shim()
1005 	if (shim_link && !IS_ERR(bpf_link_inc_not_zero(&shim_link->link.link))) {  in bpf_trampoline_link_cgroup_shim()
1014 	shim_link = cgroup_shim_alloc(prog, bpf_func, cgroup_atype, attach_type);  in bpf_trampoline_link_cgroup_shim()
1015 	if (!shim_link) {  in bpf_trampoline_link_cgroup_shim()
1020 	err = __bpf_trampoline_link_prog(&shim_link->link, tr, NULL);  in bpf_trampoline_link_cgroup_shim()
1024 	shim_link->trampoline = tr;  in bpf_trampoline_link_cgroup_shim()
1033 	if (shim_link)  in bpf_trampoline_link_cgroup_shim()
1034 		bpf_link_put(&shim_link->link.link);  in bpf_trampoline_link_cgroup_shim()
1044 	struct bpf_shim_tramp_link *shim_link = NULL;  in bpf_trampoline_unlink_cgroup_shim()  local
1058 	shim_link = cgroup_shim_find(tr, bpf_func);  in bpf_trampoline_unlink_cgroup_shim()
1061 	if (shim_link)  in bpf_trampoline_unlink_cgroup_shim()
1062 		bpf_link_put(&shim_link->link.link);  in bpf_trampoline_unlink_cgroup_shim()