queue-4.14/dlm-lost-put_lkb-on-error-path-in-receive_convert-and-receive_unlock.patch

   1 From c0174726c3976e67da8649ac62cae43220ae173a Mon Sep 17 00:00:00 2001
   2 From: Vasily Averin <vvs@virtuozzo.com>
   3 Date: Thu, 15 Nov 2018 13:18:24 +0300
   4 Subject: dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
   5
   6 From: Vasily Averin <vvs@virtuozzo.com>
   7
   8 commit c0174726c3976e67da8649ac62cae43220ae173a upstream.
   9
  10 Fixes 6d40c4a708e0 ("dlm: improve error and debug messages")
  11 Cc: stable@kernel.org # 3.5
  12
  13 Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
  14 Signed-off-by: David Teigland <teigland@redhat.com>
  15 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  16
  17 ---
  18  fs/dlm/lock.c |    2 ++
  19  1 file changed, 2 insertions(+)
  20
  21 --- a/fs/dlm/lock.c
  22 +++ b/fs/dlm/lock.c
  23 @@ -4177,6 +4177,7 @@ static int receive_convert(struct dlm_ls
  24                           (unsigned long long)lkb->lkb_recover_seq,
  25                           ms->m_header.h_nodeid, ms->m_lkid);
  26                 error = -ENOENT;
  27 +               dlm_put_lkb(lkb);
  28                 goto fail;
  29         }
  30
  31 @@ -4230,6 +4231,7 @@ static int receive_unlock(struct dlm_ls
  32                           lkb->lkb_id, lkb->lkb_remid,
  33                           ms->m_header.h_nodeid, ms->m_lkid);
  34                 error = -ENOENT;
  35 +               dlm_put_lkb(lkb);
  36                 goto fail;
  37         }
  38