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Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3fcb64b91c4..84044233b63 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -50,6 +50,7 @@
50#include <linux/string_helpers.h> 50#include <linux/string_helpers.h>
51#include <linux/async.h> 51#include <linux/async.h>
52#include <asm/uaccess.h> 52#include <asm/uaccess.h>
53#include <asm/unaligned.h>
53 54
54#include <scsi/scsi.h> 55#include <scsi/scsi.h>
55#include <scsi/scsi_cmnd.h> 56#include <scsi/scsi_cmnd.h>
@@ -1344,12 +1345,8 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
1344 return -EINVAL; 1345 return -EINVAL;
1345 } 1346 }
1346 1347
1347 sector_size = (buffer[8] << 24) | (buffer[9] << 16) | 1348 sector_size = get_unaligned_be32(&buffer[8]);
1348 (buffer[10] << 8) | buffer[11]; 1349 lba = get_unaligned_be64(&buffer[0]);
1349 lba = (((u64)buffer[0] << 56) | ((u64)buffer[1] << 48) |
1350 ((u64)buffer[2] << 40) | ((u64)buffer[3] << 32) |
1351 ((u64)buffer[4] << 24) | ((u64)buffer[5] << 16) |
1352 ((u64)buffer[6] << 8) | (u64)buffer[7]);
1353 1350
1354 sd_read_protection_type(sdkp, buffer); 1351 sd_read_protection_type(sdkp, buffer);
1355 1352
@@ -1400,10 +1397,8 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
1400 return -EINVAL; 1397 return -EINVAL;
1401 } 1398 }
1402 1399
1403 sector_size = (buffer[4] << 24) | (buffer[5] << 16) | 1400 sector_size = get_unaligned_be32(&buffer[4]);
1404 (buffer[6] << 8) | buffer[7]; 1401 lba = get_unaligned_be32(&buffer[0]);
1405 lba = (buffer[0] << 24) | (buffer[1] << 16) |
1406 (buffer[2] << 8) | buffer[3];
1407 1402
1408 if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) { 1403 if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) {
1409 sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a " 1404 sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a "