diff options
Diffstat (limited to 'fs/hfs')
| -rw-r--r-- | fs/hfs/Kconfig | 1 | ||||
| -rw-r--r-- | fs/hfs/attr.c | 2 | ||||
| -rw-r--r-- | fs/hfs/bnode.c | 1 | ||||
| -rw-r--r-- | fs/hfs/dir.c | 6 | ||||
| -rw-r--r-- | fs/hfs/extent.c | 2 | ||||
| -rw-r--r-- | fs/hfs/hfs_fs.h | 2 | ||||
| -rw-r--r-- | fs/hfs/inode.c | 21 |
7 files changed, 21 insertions, 14 deletions
diff --git a/fs/hfs/Kconfig b/fs/hfs/Kconfig index 129926b5142d..d985066006d5 100644 --- a/fs/hfs/Kconfig +++ b/fs/hfs/Kconfig @@ -3,6 +3,7 @@ config HFS_FS tristate "Apple Macintosh file system support" depends on BLOCK select NLS + select LEGACY_DIRECT_IO help If you say Y here, you will be able to mount Macintosh-formatted floppy disks and hard drive partitions with full read-write access. diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c index 2bd54efaf416..6341bb248247 100644 --- a/fs/hfs/attr.c +++ b/fs/hfs/attr.c @@ -121,7 +121,7 @@ static int hfs_xattr_get(const struct xattr_handler *handler, } static int hfs_xattr_set(const struct xattr_handler *handler, - struct user_namespace *mnt_userns, + struct mnt_idmap *idmap, struct dentry *unused, struct inode *inode, const char *name, const void *value, size_t size, int flags) diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c index 2015e42e752a..6add6ebfef89 100644 --- a/fs/hfs/bnode.c +++ b/fs/hfs/bnode.c @@ -274,6 +274,7 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid) tree->node_hash[hash] = node; tree->node_hash_cnt++; } else { + hfs_bnode_get(node2); spin_unlock(&tree->hash_lock); kfree(node); wait_event(node2->lock_wq, !test_bit(HFS_BNODE_NEW, &node2->flags)); diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index 527f6e46cbe8..3e1e3dcf0b48 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -189,7 +189,7 @@ static int hfs_dir_release(struct inode *inode, struct file *file) * a directory and return a corresponding inode, given the inode for * the directory and the name (and its length) of the new file. */ -static int hfs_create(struct user_namespace *mnt_userns, struct inode *dir, +static int hfs_create(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { struct inode *inode; @@ -219,7 +219,7 @@ static int hfs_create(struct user_namespace *mnt_userns, struct inode *dir, * in a directory, given the inode for the parent directory and the * name (and its length) of the new directory. */ -static int hfs_mkdir(struct user_namespace *mnt_userns, struct inode *dir, +static int hfs_mkdir(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; @@ -280,7 +280,7 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry) * new file/directory. * XXX: how do you handle must_be dir? */ -static int hfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir, +static int hfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c index 3f7e9bef9874..6d1878b99b30 100644 --- a/fs/hfs/extent.c +++ b/fs/hfs/extent.c @@ -486,7 +486,7 @@ void hfs_file_truncate(struct inode *inode) inode->i_size); if (inode->i_size > HFS_I(inode)->phys_size) { struct address_space *mapping = inode->i_mapping; - void *fsdata; + void *fsdata = NULL; struct page *page; /* XXX: Can use generic_cont_expand? */ diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h index 68d0305880f7..49d02524e667 100644 --- a/fs/hfs/hfs_fs.h +++ b/fs/hfs/hfs_fs.h @@ -206,7 +206,7 @@ int hfs_write_begin(struct file *file, struct address_space *mapping, extern struct inode *hfs_new_inode(struct inode *, const struct qstr *, umode_t); extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *); extern int hfs_write_inode(struct inode *, struct writeback_control *); -extern int hfs_inode_setattr(struct user_namespace *, struct dentry *, +extern int hfs_inode_setattr(struct mnt_idmap *, struct dentry *, struct iattr *); extern void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, __be32 log_size, __be32 phys_size, u32 clump_size); diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 9c329a365e75..1f7bd068acf0 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -458,15 +458,16 @@ 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) - return -EIO; + 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)) { - WARN_ON(fd.entrylength < sizeof(struct hfs_cat_dir)); + if (fd.entrylength < sizeof(struct hfs_cat_dir)) + goto out; hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, sizeof(struct hfs_cat_dir)); if (rec.type != HFS_CDR_DIR || @@ -479,6 +480,8 @@ 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, @@ -486,7 +489,8 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc) hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, sizeof(struct hfs_cat_file)); } else { - WARN_ON(fd.entrylength < sizeof(struct hfs_cat_file)); + if (fd.entrylength < sizeof(struct hfs_cat_file)) + goto out; hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, sizeof(struct hfs_cat_file)); if (rec.type != HFS_CDR_FIL || @@ -503,9 +507,10 @@ 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, @@ -606,14 +611,14 @@ static int hfs_file_release(struct inode *inode, struct file *file) * correspond to the same HFS file. */ -int hfs_inode_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, +int hfs_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr) { struct inode *inode = d_inode(dentry); struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); int error; - error = setattr_prepare(&init_user_ns, dentry, + error = setattr_prepare(&nop_mnt_idmap, dentry, attr); /* basic permission checks */ if (error) return error; @@ -653,7 +658,7 @@ int hfs_inode_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, current_time(inode); } - setattr_copy(&init_user_ns, inode, attr); + setattr_copy(&nop_mnt_idmap, inode, attr); mark_inode_dirty(inode); return 0; } |