From 3345ba4d0d28435518b5979120618a610dea4e13 Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Tue, 28 Oct 2014 20:26:20 +0200
Subject: [PATCH] Remove unnecessary assignment.

Reported by MauMau.
---
 src/backend/storage/lmgr/lwlock.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c
index cee3f082de..88d9cbec21 100644
--- a/src/backend/storage/lmgr/lwlock.c
+++ b/src/backend/storage/lmgr/lwlock.c
@@ -969,8 +969,6 @@ LWLockWaitForVar(LWLock *l, uint64 *valptr, uint64 oldval, uint64 *newval)
 		 */
 		proc->lwWaiting = true;
 		proc->lwWaitMode = LW_WAIT_UNTIL_FREE;
-		proc->lwWaitLink = NULL;
-
 		/* waiters are added to the front of the queue */
 		proc->lwWaitLink = lock->head;
 		if (lock->head == NULL)
-- 
2.49.0