diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-10-17 09:58:25 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-17 09:58:25 +0200 |
| commit | bb3c3e807140816b5f5fd4840473ee52a916ad4f (patch) | |
| tree | 9e8a69d266a7df86ca16177eefffab4b4e910753 /drivers/scsi/sr.c | |
| parent | 595c36490deb49381dc51231a3d5e6b66786ed27 (diff) | |
| parent | 012abeea669ea49636cf952d13298bb68654146a (diff) | |
Merge commit 'v2.6.32-rc5' into perf/probes
Conflicts:
kernel/trace/trace_event_profile.c
Merge reason: update to -rc5 and resolve conflict.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/sr.c')
| -rw-r--r-- | drivers/scsi/sr.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index eb61f7a70e1d..d6f340f48a3b 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -684,14 +684,20 @@ static void get_sectorsize(struct scsi_cd *cd) cd->capacity = 0x1fffff; sector_size = 2048; /* A guess, just in case */ } else { -#if 0 - if (cdrom_get_last_written(&cd->cdi, - &cd->capacity)) -#endif - cd->capacity = 1 + ((buffer[0] << 24) | - (buffer[1] << 16) | - (buffer[2] << 8) | - buffer[3]); + long last_written; + + cd->capacity = 1 + ((buffer[0] << 24) | (buffer[1] << 16) | + (buffer[2] << 8) | buffer[3]); + /* + * READ_CAPACITY doesn't return the correct size on + * certain UDF media. If last_written is larger, use + * it instead. + * + * http://bugzilla.kernel.org/show_bug.cgi?id=9668 + */ + if (!cdrom_get_last_written(&cd->cdi, &last_written)) + cd->capacity = max_t(long, cd->capacity, last_written); + sector_size = (buffer[4] << 24) | (buffer[5] << 16) | (buffer[6] << 8) | buffer[7]; switch (sector_size) { |