net/bridge/br_multicast.c

939 	void *csum_start = NULL;
1021 		csum_start = (void *)ih;
1037 		csum_start = (void *)ihv3;
1059 	if (WARN_ON(!csum || !csum_start)) {
1064 	*csum = ip_compute_csum(csum_start, igmp_hdr_size);
1087 	void *csum_start = NULL;
1184 		csum_start = (void *)mldq;
1200 		csum_start = (void *)mld2q;
1222 	if (WARN_ON(!csum || !csum_start)) {
1229 				csum_partial(csum_start, mld_hdr_size, 0));