669 static struct seccomp_filter *seccomp_prepare_filter(struct sock_fprog *fprog)  in seccomp_prepare_filter()  argument
680 	if (fprog->len == 0 || fprog->len > BPF_MAXINSNS)  in seccomp_prepare_filter()
683 	BUG_ON(INT_MAX / fprog->len < sizeof(struct sock_filter));  in seccomp_prepare_filter()
701 	ret = bpf_prog_create_from_user(&sfilter->prog, fprog,  in seccomp_prepare_filter()
724 	struct sock_fprog fprog;  in seccomp_prepare_user_filter()  local
732 		fprog.len = fprog32.len;  in seccomp_prepare_user_filter()
733 		fprog.filter = compat_ptr(fprog32.filter);  in seccomp_prepare_user_filter()
736 	if (copy_from_user(&fprog, user_filter, sizeof(fprog)))  in seccomp_prepare_user_filter()
738 	filter = seccomp_prepare_filter(&fprog);  in seccomp_prepare_user_filter()
750 static bool seccomp_is_const_allow(struct sock_fprog_kern *fprog,  in seccomp_is_const_allow()  argument
757 	if (WARN_ON_ONCE(!fprog))  in seccomp_is_const_allow()
769 	for (pc = 0; pc < fprog->len; pc++) {  in seccomp_is_const_allow()
770 		struct sock_filter *insn = &fprog->filter[pc];  in seccomp_is_const_allow()
836 	struct sock_fprog_kern *fprog = sfilter->prog->orig_prog;  in seccomp_cache_prepare_bitmap()  local
857 		if (seccomp_is_const_allow(fprog, &sd))  in seccomp_cache_prepare_bitmap()
2201 	struct sock_fprog_kern *fprog;  in seccomp_get_filter()  local
2213 	fprog = filter->prog->orig_prog;  in seccomp_get_filter()
2214 	if (!fprog) {  in seccomp_get_filter()
2223 	ret = fprog->len;  in seccomp_get_filter()
2227 	if (copy_to_user(data, fprog->filter, bpf_classic_proglen(fprog)))  in seccomp_get_filter()