Simplify PR #6551 implementation.

src/sentinel.c

@@ -465,12 +465,6 @@ struct redisCommand sentinelcmds[] = {
     {"hello",helloCommand,-2,"no-script fast",0,NULL,0,0,0,0,0}
 };
 
-/* List of client types that are killed when an instance becomes a slave */
-const char* killedClientTypes[] = {
-    "normal",
-    "pubsub"
-};
-
 /* This function overwrites a few normal Redis config default with Sentinel
  * specific defaults. */
 void initSentinelConfig(void) {
@@ -3955,7 +3949,6 @@ char *sentinelGetLeader(sentinelRedisInstance *master, uint64_t epoch) {
 int sentinelSendSlaveOf(sentinelRedisInstance *ri, char *host, int port) {
     char portstr[32];
     int retval;
-    unsigned int curType;
 
     ll2string(portstr,sizeof(portstr),port);
 
@@ -4000,11 +3993,11 @@ int sentinelSendSlaveOf(sentinelRedisInstance *ri, char *host, int port) {
      * an issue because CLIENT is variadic command, so Redis will not
      * recognized as a syntax error, and the transaction will not fail (but
      * only the unsupported command will fail). */
-    for (curType = 0; curType < sizeof(killedClientTypes)/sizeof(killedClientTypes[0]); ++curType) {
+    for (int type = 0; type < 2; type++) {
         retval = redisAsyncCommand(ri->link->cc,
             sentinelDiscardReplyCallback, ri, "%s KILL TYPE %s",
             sentinelInstanceMapCommand(ri,"CLIENT"),
-            killedClientTypes[curType]);
+            type == 0 ? "normal" : "pubsub");
         if (retval == C_ERR) return retval;
         ri->link->pending_commands++;
     }