100 	unsigned int *word = (unsigned int *) iph;  in ip_fast_csum()  local
101 	unsigned int *stop = word + ihl;  in ip_fast_csum()
105 	csum = word[0];  in ip_fast_csum()
106 	csum += word[1];  in ip_fast_csum()
107 	carry = (csum < word[1]);  in ip_fast_csum()
110 	csum += word[2];  in ip_fast_csum()
111 	carry = (csum < word[2]);  in ip_fast_csum()
114 	csum += word[3];  in ip_fast_csum()
115 	carry = (csum < word[3]);  in ip_fast_csum()
118 	word += 4;  in ip_fast_csum()
120 		csum += *word;  in ip_fast_csum()
121 		carry = (csum < *word);  in ip_fast_csum()
123 		word++;  in ip_fast_csum()
124 	} while (word != stop);  in ip_fast_csum()