summaryrefslogtreecommitdiffstats
path: root/fs/hfsplus/super.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2011-09-26 12:53:42 +0200
committerIngo Molnar <mingo@elte.hu>2011-09-26 12:54:28 +0200
commited3982cf3748b657ffb79d9d1c2e4a562661db2d (patch)
tree6e3654f460e23aa1b1512896aa3f03886a69be1b /fs/hfsplus/super.c
parentcba9bd22a5f8f857534b9a7f3fb3cafa0ac5fb75 (diff)
parentd93dc5c4478c1fd5de85a3e8aece9aad7bbae044 (diff)
downloadop-kernel-dev-ed3982cf3748b657ffb79d9d1c2e4a562661db2d.zip
op-kernel-dev-ed3982cf3748b657ffb79d9d1c2e4a562661db2d.tar.gz
Merge commit 'v3.1-rc7' into perf/core
Merge reason: Pick up the latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/hfsplus/super.c')
-rw-r--r--fs/hfsplus/super.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index c106ca2..d24a9b6 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -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);
OpenPOWER on IntegriCloud