[PATCH 9/10] squashfs: remove some more casts

From: Jörn Engel
Date: Fri Apr 22 2005 - 02:29:29 EST


Jörn

--
Ninety percent of everything is crap.
-- Sturgeon's Law


Signed-off-by: Jörn Engel <joern@xxxxxxxxxxxxxxxxxxxx>
---

fs/squashfs/inode.c | 32 ++++++++++++++------------------
1 files changed, 14 insertions(+), 18 deletions(-)

--- linux-2.6.12-rc3cow/fs/squashfs/inode.c~squashfs_cu9 2005-04-22 08:53:27.741921536 +0200
+++ linux-2.6.12-rc3cow/fs/squashfs/inode.c 2005-04-22 09:17:39.795175888 +0200
@@ -124,39 +124,35 @@ static struct buffer_head *get_block_len
squashfs_sb_info *msBlk = s->s_fs_info;
unsigned short temp;
struct buffer_head *bh;
+ unsigned char *data;

if (!(bh = sb_bread(s, *cur_index)))
return NULL;

if (msBlk->devblksize - *offset == 1) {
+ data = bh->b_data;
if (msBlk->swap)
- ((unsigned char *) &temp)[1] = *((unsigned char *)
- (bh->b_data + *offset));
+ ((unsigned char *) &temp)[1] = data[*offset];
else
- ((unsigned char *) &temp)[0] = *((unsigned char *)
- (bh->b_data + *offset));
+ ((unsigned char *) &temp)[0] = data[*offset];
brelse(bh);
if (!(bh = sb_bread(s, ++(*cur_index))))
return NULL;
+ data = bh->b_data;
if (msBlk->swap)
- ((unsigned char *) &temp)[0] = *((unsigned char *)
- bh->b_data);
+ ((unsigned char *) &temp)[0] = data[0];
else
- ((unsigned char *) &temp)[1] = *((unsigned char *)
- bh->b_data);
+ ((unsigned char *) &temp)[1] = data[0];
*c_byte = temp;
*offset = 1;
} else {
+ data = bh->b_data;
if (msBlk->swap) {
- ((unsigned char *) &temp)[1] = *((unsigned char *)
- (bh->b_data + *offset));
- ((unsigned char *) &temp)[0] = *((unsigned char *)
- (bh->b_data + *offset + 1));
+ ((unsigned char *) &temp)[1] = data[*offset];
+ ((unsigned char *) &temp)[0] = data[*offset + 1];
} else {
- ((unsigned char *) &temp)[0] = *((unsigned char *)
- (bh->b_data + *offset));
- ((unsigned char *) &temp)[1] = *((unsigned char *)
- (bh->b_data + *offset + 1));
+ ((unsigned char *) &temp)[0] = data[*offset];
+ ((unsigned char *) &temp)[1] = data[*offset + 1];
}
*c_byte = temp;
*offset += 2;
@@ -169,8 +165,8 @@ static struct buffer_head *get_block_len
return NULL;
*offset = 0;
}
- if (*((unsigned char *) (bh->b_data + *offset)) !=
- SQUASHFS_MARKER_BYTE) {
+ data = bh->b_data;
+ if (data[*offset] != SQUASHFS_MARKER_BYTE) {
ERROR("Metadata block marker corrupt @ %x\n",
*cur_index);
brelse(bh);
-
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