From c68c8c79c9e5d65483c32c1772f70b00e846e48b Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Thu, 4 Feb 2021 18:17:45 +0100
Subject: Added missing check

---
 src/lib/ndpi_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index 732c1b6ec..cb30f5178 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -136,8 +136,10 @@ void *ndpi_realloc(void *ptr, size_t old_size, size_t new_size) {
   if(!ret)
     return(ret);
   else {
-    memcpy(ret, ptr, old_size);
-    ndpi_free(ptr);
+    if(ptr != NULL) {
+      memcpy(ret, ptr, old_size);
+      ndpi_free(ptr);
+    }
     return(ret);
   }
 }
-- 
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