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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Vasily Averin <vvs@virtuozzo.com>,
        David Teigland <teigland@redhat.com>, stable@kernel.org
Subject: [PATCH 4.4 78/88] dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
Date:   Fri, 11 Jan 2019 15:08:47 +0100
Message-Id: <20190111131058.925065044@linuxfoundation.org>
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4.4-stable review patch.  If anyone has any objections, please let me know.

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

From: Vasily Averin <vvs@virtuozzo.com>

commit c0174726c3976e67da8649ac62cae43220ae173a upstream.

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

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -4178,6 +4178,7 @@ 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;
 	}
 
@@ -4231,6 +4232,7 @@ 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;
 	}