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Btrfs: don't leak reloc root nodes on error 

We don't track the reloc roots in any sort of normal way, so the only way the
root/commit_root nodes get free'd is if the relocation finishes successfully and
the reloc root is deleted.  Fix this by free'ing them in free_reloc_roots.
Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2016-09-02 15:25:43 -04:00 committed by David Sterba
parent e2c8990734
commit 6bdf131fac
1 changed files with 4 additions and 0 deletions
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4
fs/btrfs/relocation.c
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@ -2357,6 +2357,10 @@ void free_reloc_roots(struct list_head *list)
while (!list_empty(list)) {
reloc_root = list_entry(list->next, struct btrfs_root,
root_list);
free_extent_buffer(reloc_root->node);
free_extent_buffer(reloc_root->commit_root);
reloc_root->node = NULL;
reloc_root->commit_root = NULL;
__del_reloc_root(reloc_root);
}
}