[PATCH 4.20 31/65] dlm: lost put_lkb on error path in receive_convert() and receive_unlock()

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasily Averin <vvs@xxxxxxxxxxxxx>

commit c0174726c3976e67da8649ac62cae43220ae173a upstream.

Fixes 6d40c4a708e0 ("dlm: improve error and debug messages")
Cc: stable@xxxxxxxxxx # 3.5

Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
Signed-off-by: David Teigland <teigland@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/dlm/lock.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -4180,6 +4180,7 @@ static int receive_convert(struct dlm_ls
 			  (unsigned long long)lkb->lkb_recover_seq,
 			  ms->m_header.h_nodeid, ms->m_lkid);
 		error = -ENOENT;
+		dlm_put_lkb(lkb);
 		goto fail;
 	}
 
@@ -4233,6 +4234,7 @@ static int receive_unlock(struct dlm_ls
 			  lkb->lkb_id, lkb->lkb_remid,
 			  ms->m_header.h_nodeid, ms->m_lkid);
 		error = -ENOENT;
+		dlm_put_lkb(lkb);
 		goto fail;
 	}