diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 52a0bcaa7b6d7596302d8e2dcf7fba09229c38fd..b1991a2a08e09a968c4bd71408fb8698366cd1ca 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -397,8 +397,8 @@ int hfsplus_file_extend(struct inode *inode) u32 start, len, goal; int res; - if (sbi->total_blocks - sbi->free_blocks + 8 > - sbi->alloc_file->i_size * 8) { + if (sbi->alloc_file->i_size * 8 < + sbi->total_blocks - sbi->free_blocks + 8) { /* extend alloc file */ printk(KERN_ERR "hfs: extend alloc file! " "(%llu,%u,%u)\n", diff --git a/fs/hfsplus/part_tbl.c b/fs/hfsplus/part_tbl.c index d66ad113b1cc4e265f8af88f0ac50536b9ca6743..40ad88c12c64923e28600a75f05b958a3777726d 100644 --- a/fs/hfsplus/part_tbl.c +++ b/fs/hfsplus/part_tbl.c @@ -134,7 +134,7 @@ int hfs_part_find(struct super_block *sb, res = hfsplus_submit_bio(sb->s_bdev, *part_start + HFS_PMAP_BLK, data, READ); if (res) - return res; + goto out; switch (be16_to_cpu(*((__be16 *)data))) { case HFS_OLD_PMAP_MAGIC: @@ -147,7 +147,7 @@ int hfs_part_find(struct super_block *sb, res = -ENOENT; break; } - +out: kfree(data); return res; } diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 9a3b4795f43cdc1e73afa9c7537718ed34d341c5..b49b55584c844e8578b1aecb090affa73991d0cc 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -338,20 +338,22 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) struct inode *root, *inode; struct qstr str; struct nls_table *nls = NULL; - int err = -EINVAL; + int err; + err = -EINVAL; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - return -ENOMEM; + goto out; sb->s_fs_info = sbi; mutex_init(&sbi->alloc_mutex); mutex_init(&sbi->vh_mutex); hfsplus_fill_defaults(sbi); + + err = -EINVAL; if (!hfsplus_parse_options(data, sbi)) { printk(KERN_ERR "hfs: unable to parse mount options\n"); - err = -EINVAL; - goto cleanup; + goto out_unload_nls; } /* temporarily use utf8 to correctly find the hidden dir below */ @@ -359,16 +361,14 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) sbi->nls = load_nls("utf8"); if (!sbi->nls) { printk(KERN_ERR "hfs: unable to load nls for utf8\n"); - err = -EINVAL; - goto cleanup; + goto out_unload_nls; } /* Grab the volume header */ if (hfsplus_read_wrapper(sb)) { if (!silent) printk(KERN_WARNING "hfs: unable to find HFS+ superblock\n"); - err = -EINVAL; - goto cleanup; + goto out_unload_nls; } vhdr = sbi->s_vhdr; @@ -377,7 +377,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) if (be16_to_cpu(vhdr->version) < HFSPLUS_MIN_VERSION || be16_to_cpu(vhdr->version) > HFSPLUS_CURRENT_VERSION) { printk(KERN_ERR "hfs: wrong filesystem version\n"); - goto cleanup; + goto out_free_vhdr; } sbi->total_blocks = be32_to_cpu(vhdr->total_blocks); sbi->free_blocks = be32_to_cpu(vhdr->free_blocks); @@ -421,19 +421,19 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) sbi->ext_tree = hfs_btree_open(sb, HFSPLUS_EXT_CNID); if (!sbi->ext_tree) { printk(KERN_ERR "hfs: failed to load extents file\n"); - goto cleanup; + goto out_free_vhdr; } sbi->cat_tree = hfs_btree_open(sb, HFSPLUS_CAT_CNID); if (!sbi->cat_tree) { printk(KERN_ERR "hfs: failed to load catalog file\n"); - goto cleanup; + goto out_close_ext_tree; } inode = hfsplus_iget(sb, HFSPLUS_ALLOC_CNID); if (IS_ERR(inode)) { printk(KERN_ERR "hfs: failed to load allocation file\n"); err = PTR_ERR(inode); - goto cleanup; + goto out_close_cat_tree; } sbi->alloc_file = inode; @@ -442,14 +442,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) if (IS_ERR(root)) { printk(KERN_ERR "hfs: failed to load root directory\n"); err = PTR_ERR(root); - goto cleanup; - } - sb->s_d_op = &hfsplus_dentry_operations; - sb->s_root = d_alloc_root(root); - if (!sb->s_root) { - iput(root); - err = -ENOMEM; - goto cleanup; + goto out_put_alloc_file; } str.len = sizeof(HFSP_HIDDENDIR_NAME) - 1; @@ -459,46 +452,69 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) if (!hfs_brec_read(&fd, &entry, sizeof(entry))) { hfs_find_exit(&fd); if (entry.type != cpu_to_be16(HFSPLUS_FOLDER)) - goto cleanup; + goto out_put_root; inode = hfsplus_iget(sb, be32_to_cpu(entry.folder.id)); if (IS_ERR(inode)) { err = PTR_ERR(inode); - goto cleanup; + goto out_put_root; } sbi->hidden_dir = inode; } else hfs_find_exit(&fd); - if (sb->s_flags & MS_RDONLY) - goto out; + if (!(sb->s_flags & MS_RDONLY)) { + /* + * H+LX == hfsplusutils, H+Lx == this driver, H+lx is unused + * all three are registered with Apple for our use + */ + vhdr->last_mount_vers = cpu_to_be32(HFSP_MOUNT_VERSION); + vhdr->modify_date = hfsp_now2mt(); + be32_add_cpu(&vhdr->write_count, 1); + vhdr->attributes &= cpu_to_be32(~HFSPLUS_VOL_UNMNT); + vhdr->attributes |= cpu_to_be32(HFSPLUS_VOL_INCNSTNT); + hfsplus_sync_fs(sb, 1); - /* H+LX == hfsplusutils, H+Lx == this driver, H+lx is unused - * all three are registered with Apple for our use - */ - vhdr->last_mount_vers = cpu_to_be32(HFSP_MOUNT_VERSION); - vhdr->modify_date = hfsp_now2mt(); - be32_add_cpu(&vhdr->write_count, 1); - vhdr->attributes &= cpu_to_be32(~HFSPLUS_VOL_UNMNT); - vhdr->attributes |= cpu_to_be32(HFSPLUS_VOL_INCNSTNT); - hfsplus_sync_fs(sb, 1); - - if (!sbi->hidden_dir) { - mutex_lock(&sbi->vh_mutex); - sbi->hidden_dir = hfsplus_new_inode(sb, S_IFDIR); - hfsplus_create_cat(sbi->hidden_dir->i_ino, sb->s_root->d_inode, - &str, sbi->hidden_dir); - mutex_unlock(&sbi->vh_mutex); - - hfsplus_mark_inode_dirty(sbi->hidden_dir, HFSPLUS_I_CAT_DIRTY); + if (!sbi->hidden_dir) { + mutex_lock(&sbi->vh_mutex); + sbi->hidden_dir = hfsplus_new_inode(sb, S_IFDIR); + hfsplus_create_cat(sbi->hidden_dir->i_ino, root, &str, + sbi->hidden_dir); + mutex_unlock(&sbi->vh_mutex); + + hfsplus_mark_inode_dirty(sbi->hidden_dir, + HFSPLUS_I_CAT_DIRTY); + } } -out: + + sb->s_d_op = &hfsplus_dentry_operations; + sb->s_root = d_alloc_root(root); + if (!sb->s_root) { + err = -ENOMEM; + goto out_put_hidden_dir; + } + unload_nls(sbi->nls); sbi->nls = nls; return 0; -cleanup: - hfsplus_put_super(sb); +out_put_hidden_dir: + iput(sbi->hidden_dir); +out_put_root: + iput(sbi->alloc_file); +out_put_alloc_file: + iput(sbi->alloc_file); +out_close_cat_tree: + hfs_btree_close(sbi->cat_tree); +out_close_ext_tree: + hfs_btree_close(sbi->ext_tree); +out_free_vhdr: + kfree(sbi->s_vhdr); + kfree(sbi->s_backup_vhdr); +out_unload_nls: + unload_nls(sbi->nls); unload_nls(nls); + kfree(sbi); +out: return err; } diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 196231794f646de0ead6b1e3d6cfc5d29c7ce54d..3031d81f5f0f585b17ecc3928da80b19b8a9eee3 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -167,7 +167,7 @@ int hfsplus_read_wrapper(struct super_block *sb) break; case cpu_to_be16(HFSP_WRAP_MAGIC): if (!hfsplus_read_mdb(sbi->s_vhdr, &wd)) - goto out; + goto out_free_backup_vhdr; wd.ablk_size >>= HFSPLUS_SECTOR_SHIFT; part_start += wd.ablk_start + wd.embed_start * wd.ablk_size; part_size = wd.embed_count * wd.ablk_size; @@ -179,7 +179,7 @@ int hfsplus_read_wrapper(struct super_block *sb) * (should do this only for cdrom/loop though) */ if (hfs_part_find(sb, &part_start, &part_size)) - goto out; + goto out_free_backup_vhdr; goto reread; }