Jörn
--
Rules of Optimization:
Rule 1: Don't do it.
Rule 2 (for experts only): Don't do it yet.
-- M.A. Jackson
Signed-off-by: Jörn Engel <[email protected]>
---
fs/squashfs/inode.c | 20 +++++++++++++++-----
1 files changed, 15 insertions(+), 5 deletions(-)
--- linux-2.6.12-rc2cow/fs/squashfs/inode.c~squashfs_cu2 2005-04-20 08:11:10.000000000 +0200
+++ linux-2.6.12-rc2cow/fs/squashfs/inode.c 2005-04-20 16:34:43.619956672 +0200
@@ -1453,11 +1453,14 @@ static int squashfs_readdir(struct file
next_offset = SQUASHFS_I(i)->offset, length = 0, dirs_read = 0,
dir_count;
squashfs_dir_header dirh;
- char buffer[sizeof(squashfs_dir_entry) + SQUASHFS_NAME_LEN + 1];
- squashfs_dir_entry *dire = (squashfs_dir_entry *) buffer;
+ squashfs_dir_entry *dire;
TRACE("Entered squashfs_readdir [%x:%x]\n", next_block, next_offset);
+ dire = kmalloc(sizeof(*dire) + SQUASHFS_NAME_LEN + 1, GFP_KERNEL);
+ if (!dire)
+ return -ENOMEM;
+
length = get_dir_index_using_offset(i->i_sb, &next_block, &next_offset,
SQUASHFS_I(i)->u.s2.directory_index_start,
SQUASHFS_I(i)->u.s2.directory_index_offset,
@@ -1533,6 +1536,7 @@ static int squashfs_readdir(struct file
squashfs_filetype_table[dire->type])
< 0) {
TRACE("Filldir returned less than 0\n");
+ kfree(dire);
return dirs_read;
}
file->f_pos = length;
@@ -1540,11 +1544,13 @@ static int squashfs_readdir(struct file
}
}
+ kfree(dire);
return dirs_read;
failed_read:
ERROR("Unable to read directory block [%x:%x]\n", next_block,
next_offset);
+ kfree(dire);
return 0;
}
@@ -1562,12 +1568,15 @@ static struct dentry *squashfs_lookup(st
next_offset = SQUASHFS_I(i)->offset, length = 0,
dir_count;
squashfs_dir_header dirh;
- char buffer[sizeof(squashfs_dir_entry) + SQUASHFS_NAME_LEN];
- squashfs_dir_entry *dire = (squashfs_dir_entry *) buffer;
+ squashfs_dir_entry *dire;
int sorted = sBlk->s_major == 2 && sBlk->s_minor >= 1;
TRACE("Entered squashfs_lookup [%x:%x]\n", next_block, next_offset);
+ dire = kmalloc(sizeof(*dire) + SQUASHFS_NAME_LEN + 1, GFP_KERNEL);
+ if (!dire)
+ return ERR_PTR(-ENOMEM);
+
length = get_dir_index_using_name(i->i_sb, &next_block, &next_offset,
SQUASHFS_I(i)->u.s2.directory_index_start,
SQUASHFS_I(i)->u.s2.directory_index_offset,
@@ -1645,7 +1654,8 @@ static struct dentry *squashfs_lookup(st
exit_loop:
d_add(dentry, inode);
- return ERR_PTR(0);
+ kfree(dire);
+ return NULL;
failed_read:
ERROR("Unable to read directory block [%x:%x]\n", next_block,
-
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