diff options
Diffstat (limited to 'sys/scsi/cd.c')
| -rw-r--r-- | sys/scsi/cd.c | 50 |
1 files changed, 9 insertions, 41 deletions
diff --git a/sys/scsi/cd.c b/sys/scsi/cd.c index 8513b9cc85a..7d3bc84e03b 100644 --- a/sys/scsi/cd.c +++ b/sys/scsi/cd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cd.c,v 1.101 2005/12/25 20:01:11 krw Exp $ */ +/* $OpenBSD: cd.c,v 1.102 2006/01/12 01:06:27 krw Exp $ */ /* $NetBSD: cd.c,v 1.100 1997/04/02 02:29:30 mycroft Exp $ */ /* @@ -1168,9 +1168,8 @@ cdgetdisklabel(dev, cd, lp, clp, spoofonly) int spoofonly; { struct cd_toc *toc; - u_int32_t lba, nlba; char *errstring; - int tocidx, n, data_track = 0; + int tocidx, n, audioonly = 1; bzero(lp, sizeof(struct disklabel)); bzero(clp, sizeof(struct cpu_disklabel)); @@ -1212,53 +1211,22 @@ cdgetdisklabel(dev, cd, lp, clp, spoofonly) lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; lp->d_npartitions = RAW_PART + 1; - /* - * Read the TOC and loop through the individual tracks laying them - * out in our disklabel. - * - * XXX should we move all data tracks up front before any other tracks? - */ if (cd_load_toc(cd, toc, CD_LBA_FORMAT)) { - n = 0; /* No valid TOC found. */ + audioonly = 0; /* No valid TOC found == not an audio CD. */ goto done; } - /* +2 to account for leading out track. */ - n = toc->header.ending_track - toc->header.starting_track + 2; - - /* Create the partition table. */ - /* Probably should sanity-check the drive's values */ - lba = betoh32(toc->entries[0].addr.lba); - if (cd->sc_link->quirks & ADEV_LITTLETOC) - lba = swap32(lba); - - for (tocidx = 1; tocidx < n && data_track < MAXPARTITIONS; tocidx++) { - nlba = betoh32(toc->entries[tocidx].addr.lba); - if (cd->sc_link->quirks & ADEV_LITTLETOC) - nlba = swap32(nlba); - - if (toc->entries[tocidx - 1].control & 4) { - lp->d_partitions[data_track].p_fstype = FS_UNUSED; - lp->d_partitions[data_track].p_offset = lba; - lp->d_partitions[data_track].p_size = nlba - lba; - data_track++; - if (data_track == RAW_PART) - data_track++; + n = toc->header.ending_track - toc->header.starting_track + 1; + for (tocidx = 0; tocidx < n; tocidx++) + if (toc->entries[tocidx].control & 4) { + audioonly = 0; /* Found a non-audio track. */ + goto done; } - lba = nlba; - } - - lp->d_npartitions = max((RAW_PART + 1), data_track); - done: free(toc, M_TEMP); - /* - * If there was no valid TOC found or the TOC says we have a data track - * then look for a real disklabel. - */ - if (n == 0 || data_track > 0) { + if (!audioonly) { errstring = readdisklabel(CDLABELDEV(dev), cdstrategy, lp, clp, spoofonly); /*if (errstring) |