Btrfs: fix possible memory leak in find_parent_nodes()
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 980e85a..ae798c1 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -911,7 +911,6 @@
while (!list_empty(&prefs)) {
ref = list_first_entry(&prefs, struct __prelim_ref, list);
- list_del(&ref->list);
WARN_ON(ref->count < 0);
if (ref->count && ref->root_id && ref->parent == 0) {
/* no parent == root of tree */
@@ -956,6 +955,7 @@
eie->next = ref->inode_list;
}
}
+ list_del(&ref->list);
kfree(ref);
}