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path: root/drivers/md/persistent-data/dm-btree.c
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Diffstat (limited to 'drivers/md/persistent-data/dm-btree.c')
-rw-r--r--drivers/md/persistent-data/dm-btree.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index 6d7f4d950b8f..b07fcda9ca71 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -235,6 +235,16 @@ static bool is_internal_level(struct dm_btree_info *info, struct frame *f)
return f->level < (info->levels - 1);
}
+static void unlock_all_frames(struct del_stack *s)
+{
+ struct frame *f;
+
+ while (unprocessed_frames(s)) {
+ f = s->spine + s->top--;
+ dm_tm_unlock(s->tm, f->b);
+ }
+}
+
int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
{
int r;
@@ -290,9 +300,13 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
f->current_child = f->nr_children;
}
}
-
out:
+ if (r) {
+ /* cleanup all frames of del_stack */
+ unlock_all_frames(s);
+ }
kfree(s);
+
return r;
}
EXPORT_SYMBOL_GPL(dm_btree_del);