aboutsummaryrefslogtreecommitdiffstats
path: root/fs/hfs/inode.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/hfs/inode.c')
-rw-r--r--fs/hfs/inode.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index da243c84e93b..ee2ea5532e69 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -453,14 +453,16 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc)
/* panic? */
return -EIO;
+ res = -EIO;
+ if (HFS_I(main_inode)->cat_key.CName.len > HFS_NAMELEN)
+ goto out;
fd.search_key->cat = HFS_I(main_inode)->cat_key;
if (hfs_brec_find(&fd))
- /* panic? */
goto out;
if (S_ISDIR(main_inode->i_mode)) {
if (fd.entrylength < sizeof(struct hfs_cat_dir))
- /* panic? */;
+ goto out;
hfs_bnode_read(fd.bnode, &rec, fd.entryoffset,
sizeof(struct hfs_cat_dir));
if (rec.type != HFS_CDR_DIR ||
@@ -473,6 +475,8 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc)
hfs_bnode_write(fd.bnode, &rec, fd.entryoffset,
sizeof(struct hfs_cat_dir));
} else if (HFS_IS_RSRC(inode)) {
+ if (fd.entrylength < sizeof(struct hfs_cat_file))
+ goto out;
hfs_bnode_read(fd.bnode, &rec, fd.entryoffset,
sizeof(struct hfs_cat_file));
hfs_inode_write_fork(inode, rec.file.RExtRec,
@@ -481,7 +485,7 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc)
sizeof(struct hfs_cat_file));
} else {
if (fd.entrylength < sizeof(struct hfs_cat_file))
- /* panic? */;
+ goto out;
hfs_bnode_read(fd.bnode, &rec, fd.entryoffset,
sizeof(struct hfs_cat_file));
if (rec.type != HFS_CDR_FIL ||
@@ -498,9 +502,10 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc)
hfs_bnode_write(fd.bnode, &rec, fd.entryoffset,
sizeof(struct hfs_cat_file));
}
+ res = 0;
out:
hfs_find_exit(&fd);
- return 0;
+ return res;
}
static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry,