116                                           unsigned char *pno)  in scan_partition_table()  argument
120   if(*pno != 0xFF && *pno >= 5)  in scan_partition_table()
123   if(*pno != 0xFF)  in scan_partition_table()
125     if(pentry[*pno].type == LINUX_EXT2FS)  in scan_partition_table()
126       return &pentry[*pno];  in scan_partition_table()
129       if(!pentry[*pno].type)  in scan_partition_table()
130         *pno = 0xFE;  in scan_partition_table()
131       else if(pentry[*pno].type == LINUX_SWAP)  in scan_partition_table()
132         *pno = 0xFD;  in scan_partition_table()
140       *pno = i;  in scan_partition_table()
246         part->pno = isdigit((int)tmp[3]) ? tmp[3] - '0' - 1: 0;  in dos_open()
248         part->pno = 0xFF;  in dos_open()
312   pent = scan_partition_table(pent, part->phys, &part->pno);  in dos_open()
316     _dio_error = part->pno == 0xFE ? ERR_EMPTYPART :  in dos_open()
317                  part->pno == 0xFD ? ERR_LINUXSWAP : ERR_NOTEXT2FS;  in dos_open()