Lines Matching refs:csum
678 unsigned long csum = 0; in checksum() local
682 csum ^= *addr++; in checksum()
683 csum = ((csum>>1) & 0x55555555) ^ (csum & 0x55555555); in checksum()
685 return csum; in checksum()
723 unsigned long csum; in amiga_read() local
740 csum = checksum((ulong *)&hdr, in amiga_read()
751 if (hdr.hdrchk != csum) { in amiga_read()
752 printk(KERN_INFO "MFM_HEADER: %08lx,%08lx\n", hdr.hdrchk, csum); in amiga_read()
764 csum = checksum((ulong *)(unit[drive].trackbuf + hdr.sect*512), 512); in amiga_read()
766 if (hdr.datachk != csum) { in amiga_read()
769 hdr.datachk, csum); in amiga_read()