3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Mike Snitzer <snit...@redhat.com>
commit 4dcb8b57df3593dcb20481d9d6cf79d1dc1534be upstream.
btree_split_beneath()'s error path had an outstanding FIXME that speaks
directly to the potential for _not_ cleaning up a previously allocated
bufio-backed block.
Fix this by releasing the previously allocated bufio block using
unlock_block().
Reported-by: Mikulas Patocka <mpato...@redhat.com>
Signed-off-by: Mike Snitzer <snit...@redhat.com>
Acked-by: Joe Thornber <thorn...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/md/persistent-data/dm-btree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -523,7 +523,7 @@ static int btree_split_beneath(struct sh
r = new_block(s->info, &right);
if (r < 0) {
- /* FIXME: put left */
+ unlock_block(s->info, left);
return r;
}
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