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iso: Make little endian and 64bit safe

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The iso partition table implementation has a few endian and 64bit
problems. Clean it up a bit to become endian and bitness safe.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf
2016-04-11 16:16:14 +02:00
committed by Tom Rini
parent c020d355c4
commit ef9e6de540
2 changed files with 24 additions and 26 deletions
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10
disk/part_iso.c
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@@ -58,11 +58,9 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
ppr->stand_ident, dev_desc->devnum, part_num);
return (-1);
}
lastsect= ((ppr->firstsek_LEpathtab1_LE & 0x000000ff)<<24) +
((ppr->firstsek_LEpathtab1_LE & 0x0000ff00)<< 8) +
((ppr->firstsek_LEpathtab1_LE & 0x00ff0000)>> 8) +
((ppr->firstsek_LEpathtab1_LE & 0xff000000)>>24) ;
info->blksz=ppr->secsize_BE; /* assuming same block size for all entries */
lastsect = le32_to_cpu(ppr->firstsek_LEpathtab1_LE);
/* assuming same block size for all entries */
info->blksz = be16_to_cpu(ppr->secsize_BE);
PRINTF(" Lastsect:%08lx\n",lastsect);
for(i=blkaddr;i<lastsect;i++) {
PRINTF("Reading block %d\n", i);
@@ -95,7 +93,7 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
chksum=0;
chksumbuf = (unsigned short *)tmpbuf;
for(i=0;i<0x10;i++)
chksum+=((chksumbuf[i] &0xff)<<8)+((chksumbuf[i] &0xff00)>>8);
chksum += le16_to_cpu(chksumbuf[i]);
if(chksum!=0) {
if(verb)
printf("** Checksum Error in booting catalog validation entry on %d:%d **\n",