2420 		if (len <= IPOPT_OFFSET) {  in ipoptp_next()
2424 		pointer = cur[IPOPT_OFFSET];  in ipoptp_next()
2521 			buf[IPOPT_OFFSET] = optlen;  in ip_opt_get_user()
2599 			off2 = opt[IPOPT_OFFSET] - IP_ADDR_LEN - 1;  in icmp_options_update()
2619 			opt[IPOPT_OFFSET] = IPOPT_MINOFF_SR;  in icmp_options_update()
5780 			off = opt[IPOPT_OFFSET];  in ip_massage_options()
5823 			opt[IP_ADDR_LEN+2] = opt[IPOPT_OFFSET];  in ip_massage_options()
9083 			off = opt[IPOPT_OFFSET];  in ip_forward_options()
9112 				opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_forward_options()
9116 			opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_forward_options()
9119 			off = opt[IPOPT_OFFSET];  in ip_forward_options()
9137 			opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_forward_options()
9149 				off = opt[IPOPT_OFFSET] - 1;  in ip_forward_options()
9167 			if (opt[IPOPT_OFFSET] - 1 + off > optlen) {  in ip_forward_options()
9175 			off = opt[IPOPT_OFFSET] - 1;  in ip_forward_options()
9189 				opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_forward_options()
9192 				off = opt[IPOPT_OFFSET] - 1;  in ip_forward_options()
9198 				opt[IPOPT_OFFSET] += IPOPT_TS_TIMELEN;  in ip_forward_options()
9319 			off = opt[IPOPT_OFFSET];  in ip_input_local_options()
9348 			off = opt[IPOPT_OFFSET];  in ip_input_local_options()
9365 			opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_input_local_options()
9377 				off = opt[IPOPT_OFFSET] - 1;  in ip_input_local_options()
9395 			if (opt[IPOPT_OFFSET] - 1 + off > optlen) {  in ip_input_local_options()
9403 			off = opt[IPOPT_OFFSET] - 1;  in ip_input_local_options()
9416 				opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_input_local_options()
9419 				off = opt[IPOPT_OFFSET] - 1;  in ip_input_local_options()
9425 				opt[IPOPT_OFFSET] += IPOPT_TS_TIMELEN;  in ip_input_local_options()
9502 			off = opt[IPOPT_OFFSET];  in ip_input_options()
9576 				code = (char *)&opt[IPOPT_OFFSET] -  in ip_input_options()
9594 			if (opt[IPOPT_OFFSET] - 1 + off > optlen &&  in ip_input_options()
9611 	code = (char *)&opt[IPOPT_OFFSET] - (char *)ipha;  in ip_input_options()
11556 			off = opt[IPOPT_OFFSET];  in ip_source_routed()
11661 			off = opt[IPOPT_OFFSET];  in ip_get_dst()
12022 			off = opt[IPOPT_OFFSET];  in ip_output_local_options()
12050 			off = opt[IPOPT_OFFSET];  in ip_output_local_options()
12061 			opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_output_local_options()
12072 				off = opt[IPOPT_OFFSET] - 1;  in ip_output_local_options()
12090 			if (opt[IPOPT_OFFSET] - 1 + off > optlen) {  in ip_output_local_options()
12098 			off = opt[IPOPT_OFFSET] - 1;  in ip_output_local_options()
12105 				opt[IPOPT_OFFSET] += IP_ADDR_LEN;  in ip_output_local_options()
12108 				off = opt[IPOPT_OFFSET] - 1;  in ip_output_local_options()
12114 				opt[IPOPT_OFFSET] += IPOPT_TS_TIMELEN;  in ip_output_local_options()
13074 			off = opt[IPOPT_OFFSET];  in ip_output_options()
13118 				code = (char *)&opt[IPOPT_OFFSET] -  in ip_output_options()
13136 			if (opt[IPOPT_OFFSET] - 1 + off > optlen &&  in ip_output_options()
13152 	code = (char *)&opt[IPOPT_OFFSET] - (char *)ipha;  in ip_output_options()
15092 			off = opt[IPOPT_OFFSET];  in ip_pkt_source_route_v4()
15143 			off2 = opt[IPOPT_OFFSET] - IP_ADDR_LEN - 1;  in ip_pkt_source_route_reverse_v4()
15151 			opt[IPOPT_OFFSET] = IPOPT_MINOFF_SR;  in ip_pkt_source_route_reverse_v4()