From 983b3a5bc44a91cc7e40b8e71e3bfdb03dd4606f Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 1 Aug 2017 15:14:26 +0200
Subject: patch 8.0.0828: Coverity: may dereference NULL pointer

Problem:    Coverity: may dereference NULL pointer.
Solution:   Bail out if calloc_state() returns NULL.
---
 src/regexp_nfa.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/regexp_nfa.c')

diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 804d742ab..40d6605f0 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -3527,7 +3527,11 @@ post2nfa(int *postfix, int *end, int nfa_calc_size)
 	    {
 		/* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */
 		skip = alloc_state(NFA_SKIP, NULL, NULL);
+		if (skip == NULL)
+		    goto theend;
 		zend = alloc_state(NFA_ZEND, s1, NULL);
+		if (zend == NULL)
+		    goto theend;
 		s1->out= skip;
 		patch(e.out, zend);
 		PUSH(frag(s, list1(&skip->out)));
-- 
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