Remove unnecessary assignment.

Reported by MauMau.

diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c
index bcec17335b8f70831204a2b9a4301b3112ea9f00..719181c2089f3fbd29be66b1a2b52abdf8e833d3 100644 (file)
--- a/src/backend/storage/lmgr/lwlock.c
+++ b/src/backend/storage/lmgr/lwlock.c
@@ -997,8 +997,6 @@ LWLockWaitForVar(LWLock *lock, 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)