1 2 3#include <net/checksum.h> 4 5unsigned int csum_partial_copy( const char *src, char *dst, int len, int sum) 6{ 7 int src_err=0, dst_err=0; 8 9 sum = csum_partial_copy_generic ( src, dst, len, sum, &src_err, &dst_err); 10 11 if (src_err || dst_err) 12 printk("old csum_partial_copy_fromuser(), tell mingo to convert me.\n"); 13 14 return sum; 15} 16 17 18