603 bpf_check_upgrade(u_long cmd, struct bpf_d *d, struct bpf_insn *fcode,  in bpf_check_upgrade()  argument
611 	if (d->bd_writer == 0 || fcode == NULL)  in bpf_check_upgrade()
625 	    fcode[0].code == (BPF_RET | BPF_K))  in bpf_check_upgrade()
1786 	struct bpf_program_buffer *fcode;  in bpf_setf()  local
1831 		fcode = bpf_program_buffer_alloc(size, M_WAITOK);  in bpf_setf()
1832 		filter = (struct bpf_insn *)fcode->buffer;  in bpf_setf()
1835 			free(fcode, M_BPF);  in bpf_setf()
1850 	fcode = NULL;  in bpf_setf()
1857 			fcode = __containerof((void *)d->bd_wfilter,  in bpf_setf()
1860 			fcode->func = NULL;  in bpf_setf()
1866 			fcode = __containerof((void *)d->bd_rfilter,  in bpf_setf()
1869 			fcode->func = d->bd_bfilter;  in bpf_setf()
1903 	if (fcode != NULL)  in bpf_setf()
1904 		NET_EPOCH_CALL(bpf_program_buffer_free, &fcode->epoch_ctx);  in bpf_setf()