From 5b37663bcb99aee7f6d4c511a9c8e854997a33ec Mon Sep 17 00:00:00 2001
From: Matic Pogacnik <mpogacnik@anl.gov>
Date: Thu, 6 Aug 2020 08:36:23 +0200
Subject: [PATCH] Check if input string to aToIPAddr is null

---
 modules/libcom/src/misc/aToIPAddr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/libcom/src/misc/aToIPAddr.c b/modules/libcom/src/misc/aToIPAddr.c
index cf8b8775f..4bb2353f7 100644
--- a/modules/libcom/src/misc/aToIPAddr.c
+++ b/modules/libcom/src/misc/aToIPAddr.c
@@ -90,6 +90,10 @@ aToIPAddr( const char *pAddrString, unsigned short defaultPort,
     unsigned port;
     struct in_addr ina;
 
+    if ( pAddrString == NULL ) {
+        return -1;
+    }
+
     /*
      * dotted ip addresses
      */