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Date: Tue, 20 May 2008 11:06:11 -0700
From: Harvey Harrison <harvey.harrison@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 19/21] drivers/block: use aligned-endian get/put helpers
Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
drivers/block/cciss.c | 11 +++++------
drivers/block/paride/pd.c | 8 ++++----
drivers/block/ub.c | 4 ++--
3 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index e336b05..5e5d39a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1513,8 +1513,7 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
0, 0, TYPE_CMD);
if (return_code == IO_OK) {
- listlength =
- be32_to_cpu(*(__be32 *) ld_buff->LUNListLength);
+ listlength = get_be32(ld_buff->LUNListLength);
} else { /* reading number of logical volumes failed */
printk(KERN_WARNING "cciss: report logical volume"
" command failed\n");
@@ -2036,8 +2035,8 @@ cciss_read_capacity(int ctlr, int logvol, int withirq, sector_t *total_size,
ctlr, buf, sizeof(ReadCapdata_struct),
1, logvol, 0, NULL, TYPE_CMD);
if (return_code == IO_OK) {
- *total_size = be32_to_cpu(*(__be32 *) buf->total_size);
- *block_size = be32_to_cpu(*(__be32 *) buf->block_size);
+ *total_size = get_be32(buf->total_size);
+ *block_size = get_be32(buf->block_size);
} else { /* read capacity command failed */
printk(KERN_WARNING "cciss: read capacity failed\n");
*total_size = 0;
@@ -2072,8 +2071,8 @@ cciss_read_capacity_16(int ctlr, int logvol, int withirq, sector_t *total_size,
1, logvol, 0, NULL, TYPE_CMD);
}
if (return_code == IO_OK) {
- *total_size = be64_to_cpu(*(__be64 *) buf->total_size);
- *block_size = be32_to_cpu(*(__be32 *) buf->block_size);
+ *total_size = get_be64(buf->total_size);
+ *block_size = get_be32(buf->block_size);
} else { /* read capacity command failed */
printk(KERN_WARNING "cciss: read capacity failed\n");
*total_size = 0;
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 570f3b7..a5f429f 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -663,11 +663,11 @@ static enum action pd_identify(struct pd_unit *disk)
return Fail;
pi_read_block(disk->pi, pd_scratch, 512);
disk->can_lba = pd_scratch[99] & 2;
- disk->sectors = le16_to_cpu(*(__le16 *) (pd_scratch + 12));
- disk->heads = le16_to_cpu(*(__le16 *) (pd_scratch + 6));
- disk->cylinders = le16_to_cpu(*(__le16 *) (pd_scratch + 2));
+ disk->sectors = get_le16(pd_scratch + 12);
+ disk->heads = get_le16(pd_scratch + 6);
+ disk->cylinders = get_le16(pd_scratch + 2);
if (disk->can_lba)
- disk->capacity = le32_to_cpu(*(__le32 *) (pd_scratch + 120));
+ disk->capacity = get_le32(pd_scratch + 120);
else
disk->capacity = disk->sectors * disk->heads * disk->cylinders;
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 3a281ef..f86ab3c 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1914,8 +1914,8 @@ static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun,
}
/* sd.c special-cases sector size of 0 to mean 512. Needed? Safe? */
- nsec = be32_to_cpu(*(__be32 *)p) + 1;
- bsize = be32_to_cpu(*(__be32 *)(p + 4));
+ nsec = get_be32(p) + 1;
+ bsize = get_be32(p + 4);
switch (bsize) {
case 512: shift = 0; break;
case 1024: shift = 1; break;
--
1.5.5.1.570.g26b5e
--
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