648 static struct seccomp_filter *seccomp_prepare_filter(struct sock_fprog *fprog)  in seccomp_prepare_filter()  argument
659 	if (fprog->len == 0 || fprog->len > BPF_MAXINSNS)  in seccomp_prepare_filter()
662 	BUG_ON(INT_MAX / fprog->len < sizeof(struct sock_filter));  in seccomp_prepare_filter()
680 	ret = bpf_prog_create_from_user(&sfilter->prog, fprog,  in seccomp_prepare_filter()
703 	struct sock_fprog fprog;  in seccomp_prepare_user_filter()  local
711 		fprog.len = fprog32.len;  in seccomp_prepare_user_filter()
712 		fprog.filter = compat_ptr(fprog32.filter);  in seccomp_prepare_user_filter()
715 	if (copy_from_user(&fprog, user_filter, sizeof(fprog)))  in seccomp_prepare_user_filter()
717 	filter = seccomp_prepare_filter(&fprog);  in seccomp_prepare_user_filter()
729 static bool seccomp_is_const_allow(struct sock_fprog_kern *fprog,  in seccomp_is_const_allow()  argument
736 	if (WARN_ON_ONCE(!fprog))  in seccomp_is_const_allow()
739 	for (pc = 0; pc < fprog->len; pc++) {  in seccomp_is_const_allow()
740 		struct sock_filter *insn = &fprog->filter[pc];  in seccomp_is_const_allow()
806 	struct sock_fprog_kern *fprog = sfilter->prog->orig_prog;  in seccomp_cache_prepare_bitmap()  local
827 		if (seccomp_is_const_allow(fprog, &sd))  in seccomp_cache_prepare_bitmap()
2162 	struct sock_fprog_kern *fprog;  in seccomp_get_filter()  local
2174 	fprog = filter->prog->orig_prog;  in seccomp_get_filter()
2175 	if (!fprog) {  in seccomp_get_filter()
2184 	ret = fprog->len;  in seccomp_get_filter()
2188 	if (copy_to_user(data, fprog->filter, bpf_classic_proglen(fprog)))  in seccomp_get_filter()