Btrfs: open_ctree: Fix possible memory leak
After reading one of chunk or tree root tree's root node from disk, if the root node does not have EXTENT_BUFFER_UPTODATE flag set, we fail to release the memory used by the root node. Fix this. Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
This commit is contained in:
parent
d9a0540a79
commit
e5fffbac4a
|
@ -2842,6 +2842,8 @@ int open_ctree(struct super_block *sb,
|
|||
!extent_buffer_uptodate(chunk_root->node)) {
|
||||
printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n",
|
||||
sb->s_id);
|
||||
if (!IS_ERR(chunk_root->node))
|
||||
free_extent_buffer(chunk_root->node);
|
||||
chunk_root->node = NULL;
|
||||
goto fail_tree_roots;
|
||||
}
|
||||
|
@ -2880,6 +2882,8 @@ retry_root_backup:
|
|||
!extent_buffer_uptodate(tree_root->node)) {
|
||||
printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n",
|
||||
sb->s_id);
|
||||
if (!IS_ERR(tree_root->node))
|
||||
free_extent_buffer(tree_root->node);
|
||||
tree_root->node = NULL;
|
||||
goto recovery_tree_root;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue