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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2010-09-28 20:48:47 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-10-12 00:33:20 +0200 |
| commit | 526f7c7950bbf1271e59177d70d74438c2ef96de (patch) | |
| tree | 5e8550890534e73a307e53707d68ccbedaac62af /drivers/scsi/sd.h | |
| parent | [SCSI] st: add MTWEOFI to write filemarks without flushing drive buffer (diff) | |
| download | linux-526f7c7950bbf1271e59177d70d74438c2ef96de.tar.xz linux-526f7c7950bbf1271e59177d70d74438c2ef96de.zip | |
[SCSI] sd: Fix overflow with big physical blocks
The hw_sector_size variable could overflow if a device reported huge
physical blocks. Switch to the more accurate physical_block_size
terminology and make sure we use an unsigned int to match the range
permitted by READ CAPACITY(16).
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/sd.h')
| -rw-r--r-- | drivers/scsi/sd.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index a40730ee465c..55488faf0815 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -51,7 +51,7 @@ struct scsi_disk { atomic_t openers; sector_t capacity; /* size in 512-byte sectors */ u32 index; - unsigned short hw_sector_size; + unsigned int physical_block_size; u8 media_present; u8 write_prot; u8 protection_type;/* Data Integrity Field */ |