Remove unnecessary assignment.

Reported by MauMau.

diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c
index cee3f082dea6af1180d1b14d3228777ee0301a29..88d9cbec21568791126acef6ace2a7025e0bf3ff 100644 (file)
--- 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)