From 19588b045f06e91431cba217ac7b3a0d56144129 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Sun, 24 Mar 2019 22:09:25 +0100
Subject: [PATCH] Fix realloc mistake: ptr nulled but not freed upon failure

---
 client/cmdflashmem.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/client/cmdflashmem.c b/client/cmdflashmem.c
index af8584ce7..2a9709ef0 100644
--- a/client/cmdflashmem.c
+++ b/client/cmdflashmem.c
@@ -260,9 +260,12 @@ int CmdFlashMemLoad(const char *Cmd) {
             break;
     }
 
-    data = realloc(data, datalen);
-    if (!data) {
+    uint8_t *newdata = realloc(data, datalen);
+    if (newdata == NULL) {
+        free(data);
         return 1;
+    } else {
+        data = newdata;
     }
 
     //Send to device