[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>

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 */