Merge branch 'for-linus' of git://git.kernel.dk/linux-block
[pandora-kernel.git] / fs / hfsplus / super.c
index c106ca2..d24a9b6 100644 (file)
@@ -344,6 +344,7 @@ 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;
+       u64 last_fs_block, last_fs_page;
        int err;
 
        err = -EINVAL;
@@ -399,9 +400,13 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
        if (!sbi->rsrc_clump_blocks)
                sbi->rsrc_clump_blocks = 1;
 
-       err = generic_check_addressable(sbi->alloc_blksz_shift,
-                                       sbi->total_blocks);
-       if (err) {
+       err = -EFBIG;
+       last_fs_block = sbi->total_blocks - 1;
+       last_fs_page = (last_fs_block << sbi->alloc_blksz_shift) >>
+                       PAGE_CACHE_SHIFT;
+
+       if ((last_fs_block > (sector_t)(~0ULL) >> (sbi->alloc_blksz_shift - 9)) ||
+           (last_fs_page > (pgoff_t)(~0ULL))) {
                printk(KERN_ERR "hfs: filesystem size too large.\n");
                goto out_free_vhdr;
        }
@@ -525,8 +530,8 @@ out_close_cat_tree:
 out_close_ext_tree:
        hfs_btree_close(sbi->ext_tree);
 out_free_vhdr:
-       kfree(sbi->s_vhdr);
-       kfree(sbi->s_backup_vhdr);
+       kfree(sbi->s_vhdr_buf);
+       kfree(sbi->s_backup_vhdr_buf);
 out_unload_nls:
        unload_nls(sbi->nls);
        unload_nls(nls);