Fix PERSIST expired key resuscitation issue #4048.

1 files changed, 3 insertions, 6 deletions

diff --git a/src/expire.c b/src/expire.c
index 22b1f1da9..d3a0e3f69 100644
--- a/src/expire.c
+++ b/src/expire.c
@@ -477,18 +477,15 @@ void pttlCommand(client *c) {
 
 /* PERSIST key */
 void persistCommand(client *c) {
-    dictEntry *de;
-
-    de = dictFind(c->db->dict,c->argv[1]->ptr);
-    if (de == NULL) {
-        addReply(c,shared.czero);
-    } else {
+    if (lookupKeyWrite(c->db,c->argv[1])) {
         if (removeExpire(c->db,c->argv[1])) {
             addReply(c,shared.cone);
             server.dirty++;
         } else {
             addReply(c,shared.czero);
         }
+    } else {
+        addReply(c,shared.czero);
     }
 }