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Diffstat (limited to 'fs/ntfs/dir.c')
-rw-r--r--fs/ntfs/dir.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 93577561cdb..46779471c54 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1,7 +1,7 @@
/**
* dir.c - NTFS kernel directory operations. Part of the Linux-NTFS project.
*
- * Copyright (c) 2001-2004 Anton Altaparmakov
+ * Copyright (c) 2001-2005 Anton Altaparmakov
* Copyright (c) 2002 Richard Russon
*
* This program/include file is free software; you can redistribute it and/or
@@ -183,8 +183,7 @@ found_it:
name->len = 0;
*res = name;
} else {
- if (name)
- kfree(name);
+ kfree(name);
*res = NULL;
}
mref = le64_to_cpu(ie->data.dir.indexed_file);
@@ -444,8 +443,7 @@ found_it2:
name->len = 0;
*res = name;
} else {
- if (name)
- kfree(name);
+ kfree(name);
*res = NULL;
}
mref = le64_to_cpu(ie->data.dir.indexed_file);
@@ -610,7 +608,7 @@ dir_err_out:
// TODO: (AIA)
// The algorithm embedded in this code will be required for the time when we
// want to support adding of entries to directories, where we require correct
-// collation of file names in order not to cause corruption of the file system.
+// collation of file names in order not to cause corruption of the filesystem.
/**
* ntfs_lookup_inode_by_name - find an inode in a directory given its name
@@ -1101,7 +1099,7 @@ static inline int ntfs_filldir(ntfs_volume *vol, loff_t fpos,
static int ntfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
{
s64 ia_pos, ia_start, prev_ia_pos, bmp_pos;
- loff_t fpos;
+ loff_t fpos, i_size;
struct inode *bmp_vi, *vdir = filp->f_dentry->d_inode;
struct super_block *sb = vdir->i_sb;
ntfs_inode *ndir = NTFS_I(vdir);
@@ -1122,7 +1120,8 @@ static int ntfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
vdir->i_ino, fpos);
rc = err = 0;
/* Are we at end of dir yet? */
- if (fpos >= vdir->i_size + vol->mft_record_size)
+ i_size = i_size_read(vdir);
+ if (fpos >= i_size + vol->mft_record_size)
goto done;
/* Emulate . and .. for all directories. */
if (!fpos) {
@@ -1264,7 +1263,7 @@ skip_index_root:
bmp_mapping = bmp_vi->i_mapping;
/* Get the starting bitmap bit position and sanity check it. */
bmp_pos = ia_pos >> ndir->itype.index.block_size_bits;
- if (unlikely(bmp_pos >> 3 >= bmp_vi->i_size)) {
+ if (unlikely(bmp_pos >> 3 >= i_size_read(bmp_vi))) {
ntfs_error(sb, "Current index allocation position exceeds "
"index bitmap size.");
goto err_out;
@@ -1301,7 +1300,7 @@ find_next_index_buffer:
goto get_next_bmp_page;
}
/* If we have reached the end of the bitmap, we are done. */
- if (unlikely(((bmp_pos + cur_bmp_pos) >> 3) >= vdir->i_size))
+ if (unlikely(((bmp_pos + cur_bmp_pos) >> 3) >= i_size))
goto unm_EOD;
ia_pos = (bmp_pos + cur_bmp_pos) <<
ndir->itype.index.block_size_bits;
@@ -1309,7 +1308,8 @@ find_next_index_buffer:
ntfs_debug("Handling index buffer 0x%llx.",
(unsigned long long)bmp_pos + cur_bmp_pos);
/* If the current index buffer is in the same page we reuse the page. */
- if ((prev_ia_pos & PAGE_CACHE_MASK) != (ia_pos & PAGE_CACHE_MASK)) {
+ if ((prev_ia_pos & (s64)PAGE_CACHE_MASK) !=
+ (ia_pos & (s64)PAGE_CACHE_MASK)) {
prev_ia_pos = ia_pos;
if (likely(ia_page != NULL)) {
unlock_page(ia_page);
@@ -1441,7 +1441,7 @@ unm_EOD:
ntfs_unmap_page(bmp_page);
EOD:
/* We are finished, set fpos to EOD. */
- fpos = vdir->i_size + vol->mft_record_size;
+ fpos = i_size + vol->mft_record_size;
abort:
kfree(name);
done:
@@ -1461,10 +1461,8 @@ err_out:
unlock_page(ia_page);
ntfs_unmap_page(ia_page);
}
- if (ir)
- kfree(ir);
- if (name)
- kfree(name);
+ kfree(ir);
+ kfree(name);
if (ctx)
ntfs_attr_put_search_ctx(ctx);
if (m)
@@ -1495,7 +1493,7 @@ err_out:
static int ntfs_dir_open(struct inode *vi, struct file *filp)
{
if (sizeof(unsigned long) < 8) {
- if (vi->i_size > MAX_LFS_FILESIZE)
+ if (i_size_read(vi) > MAX_LFS_FILESIZE)
return -EFBIG;
}
return 0;