Author: tsoome
Date: Mon Sep 16 20:28:08 2019
New Revision: 352421
URL: https://svnweb.freebsd.org/changeset/base/352421

Log:
  loader: Malloc(0) should return NULL.
  
  We really should not allocate anything with size 0.

Modified:
  head/stand/libsa/zalloc_malloc.c

Modified: head/stand/libsa/zalloc_malloc.c
==============================================================================
--- head/stand/libsa/zalloc_malloc.c    Mon Sep 16 20:26:53 2019        
(r352420)
+++ head/stand/libsa/zalloc_malloc.c    Mon Sep 16 20:28:08 2019        
(r352421)
@@ -55,6 +55,9 @@ Malloc(size_t bytes, const char *file, int line)
 {
     Guard *res;
 
+    if (bytes == 0)
+       return (NULL);
+
 #ifdef USEENDGUARD
     bytes += MALLOCALIGN + 1;
 #else
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