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authorJP Abgrall <jpa@google.com>2012-04-24 21:45:20 -0700
committerJP Abgrall <jpa@google.com>2012-04-24 21:45:20 -0700
commit10add970b62d2276541af9e5fb0581d6d8434db4 (patch)
treeafd79e8507c5fa243c044a6963072b6a6d0f059b /fs/hfs/btree.c
parent9cea9c804af57f8538dc910e24c407c81e496e51 (diff)
parent66510aa1148e3457e7d46e0a2582dac7c591b95d (diff)
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Merge remote-tracking branch 'common/android-3.0' into android-samsung-30-wip-mergedown
* common/android-3.0: (1178 commits) cpufreq: interactive: remove unused target_validate_time_in_idle cpufreq: interactive: Boost frequency on touchscreen input cpufreq: Separate speed target revalidate time and initial set time cpufreq: interactive: based hispeed bump on target freq, not actual cpufreq: interactive: adjust code and documentation to match cpufreq: interactive: configurable delay before raising above hispeed sync: add poll support sw_sync: add fill_driver_data support sync: add ioctl to get fence data sw_sync: add debug support sync: add debugfs support sync: add timestamps to sync_pts sw_sync: add cpu based sync driver sync: Add synchronization framework Linux 3.0.28 Bluetooth: Fix l2cap conn failures for ssp devices TOMOYO: Fix mount flags checking order. iommu/amd: Make sure IOMMU interrupts are re-enabled on resume cred: copy_process() should clear child->replacement_session_keyring ASoC: ak4642: fixup: mute needs +1 step ... Conflicts: mm/compaction.c Change-Id: I3dc59225d2435eddbed0c639155179e580891ac8 Signed-off-by: JP Abgrall <jpa@google.com>
Diffstat (limited to 'fs/hfs/btree.c')
-rw-r--r--fs/hfs/btree.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 3ebc437..1cbdeea 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -46,11 +46,26 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
case HFS_EXT_CNID:
hfs_inode_read_fork(tree->inode, mdb->drXTExtRec, mdb->drXTFlSize,
mdb->drXTFlSize, be32_to_cpu(mdb->drXTClpSiz));
+ if (HFS_I(tree->inode)->alloc_blocks >
+ HFS_I(tree->inode)->first_blocks) {
+ printk(KERN_ERR "hfs: invalid btree extent records\n");
+ unlock_new_inode(tree->inode);
+ goto free_inode;
+ }
+
tree->inode->i_mapping->a_ops = &hfs_btree_aops;
break;
case HFS_CAT_CNID:
hfs_inode_read_fork(tree->inode, mdb->drCTExtRec, mdb->drCTFlSize,
mdb->drCTFlSize, be32_to_cpu(mdb->drCTClpSiz));
+
+ if (!HFS_I(tree->inode)->first_blocks) {
+ printk(KERN_ERR "hfs: invalid btree extent records "
+ "(0 size).\n");
+ unlock_new_inode(tree->inode);
+ goto free_inode;
+ }
+
tree->inode->i_mapping->a_ops = &hfs_btree_aops;
break;
default:
@@ -59,11 +74,6 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
}
unlock_new_inode(tree->inode);
- if (!HFS_I(tree->inode)->first_blocks) {
- printk(KERN_ERR "hfs: invalid btree extent records (0 size).\n");
- goto free_inode;
- }
-
mapping = tree->inode->i_mapping;
page = read_mapping_page(mapping, 0, NULL);
if (IS_ERR(page))