Fix driver expression bytecode validation crash if parsing fails.

Another NULL pointer access: nothing to validate if it already failed.
2018-09-16 10:46:28 +03:00
parent db0c37f2f7
commit 8c87e681a5
1 changed files with 1 additions and 1 deletions
--- a/source/blender/python/intern/bpy_driver.c
+++ b/source/blender/python/intern/bpy_driver.c
@@ -549,7 +549,7 @@ float BPY_driver_exec(struct PathResolvedRNA *anim_rna, ChannelDriver *driver, C
 	}

 #ifdef USE_BYTECODE_WHITELIST
-	if (is_recompile) {
+	if (is_recompile && expr_code) {
 		if (!(G.f & G_SCRIPT_AUTOEXEC)) {
 			if (!bpy_driver_secure_bytecode_validate(
 			            expr_code, (PyObject *[]){