From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 7 Jun 2017 09:35:36 +0000 (+0200)
Subject: regex: fix pcre 8.x code - pcre_jit_stack_free cannot be called with NULL
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b3c0d8df9c6c2025a5850db35db0bce00fac4827;p=thirdparty%2Ftvheadend.git

regex: fix pcre 8.x code - pcre_jit_stack_free cannot be called with NULL
---

diff --git a/src/wrappers.c b/src/wrappers.c
index 871b6c80c..b621e2417 100644
--- a/src/wrappers.c
+++ b/src/wrappers.c
@@ -398,8 +398,10 @@ void regex_free(tvh_regex_t *regex)
 #if ENABLE_PCRE
 #ifdef PCRE_CONFIG_JIT
 #if PCRE_STUDY_JIT_COMPILE
-  pcre_jit_stack_free(regex->re_jit_stack);
-  regex->re_jit_stack = NULL;
+  if (regex->re_jit_stack) {
+    pcre_jit_stack_free(regex->re_jit_stack);
+    regex->re_jit_stack = NULL;
+  }
 #endif
   pcre_free_study(regex->re_extra);
 #else