99 	const unsigned int *word = iph;  in ip_fast_csum()  local
100 	const unsigned int *stop = word + ihl;  in ip_fast_csum()
104 	csum = word[0];  in ip_fast_csum()
105 	csum += word[1];  in ip_fast_csum()
106 	carry = (csum < word[1]);  in ip_fast_csum()
109 	csum += word[2];  in ip_fast_csum()
110 	carry = (csum < word[2]);  in ip_fast_csum()
113 	csum += word[3];  in ip_fast_csum()
114 	carry = (csum < word[3]);  in ip_fast_csum()
117 	word += 4;  in ip_fast_csum()
119 		csum += *word;  in ip_fast_csum()
120 		carry = (csum < *word);  in ip_fast_csum()
122 		word++;  in ip_fast_csum()
123 	} while (word != stop);  in ip_fast_csum()