first skiplist fix, courtesy of valgrind

almost · Oct 23, 2009 · 913e9d6 · 913e9d6
1 parent ace4ee5
commit 913e9d6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/redis.c b/redis.c
@@ -3744,7 +3744,7 @@ static void zslInsert(zskiplist *zsl, double score, robj *obj) {
 
     x = zsl->header;
     for (i = zsl->level-1; i >= 0; i--) {
-        while (x->forward[i]->score < score)
+        while (x->forward[i] && x->forward[i]->score < score)
             x = x->forward[i];
         update[i] = x;
     }