Fix yet an other hang/crash

There are valid reasons for `orig_zend_execute_internal`
to be `NULL`, we we're not checking if it is,
well, `NULL`.

1 files changed, 1 insertions, 5 deletions

diff --git a/src/sp_execute.c b/src/sp_execute.c
index 1f9226c..4b7d6d0 100644
--- a/src/sp_execute.c
+++ b/src/sp_execute.c
@@ -271,19 +271,15 @@ end:
 int hook_execute(void) {
   TSRMLS_FETCH();
 
-  if (NULL == orig_execute_ex) {
+  if (NULL == orig_execute_ex && NULL == orig_zend_stream_open) {
     /* zend_execute_ex is used for "user" function calls */
     orig_execute_ex = zend_execute_ex;
     zend_execute_ex = sp_execute_ex;
-  }
 
-  if (NULL == orig_zend_execute_internal) {
     /* zend_execute_internal is used for "builtin" functions calls */
     orig_zend_execute_internal = zend_execute_internal;
     zend_execute_internal = sp_zend_execute_internal;
-  }
 
-  if (NULL == orig_zend_stream_open) {
     /* zend_stream_open_function is used for include-related stuff */
     orig_zend_stream_open = zend_stream_open_function;
     zend_stream_open_function = sp_stream_open;