From c0725abfbbf7ba1eb2b02573a64dce04dc3f7e3a Mon Sep 17 00:00:00 2001
From: Phoeniwx <phoeniwx@outlook.com>
Date: Wed, 28 Sep 2022 18:38:20 +0800
Subject: [PATCH] fix: redis-cli --memkeys-samples add check lastarg (#11269)

doing redis-cli --memkeys-samples without any additional arguments
would have lead to a crash of the cli.
---
 src/redis-cli.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/redis-cli.c b/src/redis-cli.c
index 0a22598d2..40b1194f7 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -2061,7 +2061,7 @@ static int parseOptions(int argc, char **argv) {
         } else if (!strcmp(argv[i],"--memkeys")) {
             config.memkeys = 1;
             config.memkeys_samples = 0; /* use redis default */
-        } else if (!strcmp(argv[i],"--memkeys-samples")) {
+        } else if (!strcmp(argv[i],"--memkeys-samples") && !lastarg) {
             config.memkeys = 1;
             config.memkeys_samples = atoi(argv[++i]);
         } else if (!strcmp(argv[i],"--hotkeys")) {