Added error handling for NJS_VMCODE_FUNCTION_COPY instruction.

This closes #572 issue on Github.

diff --git a/src/njs_vmcode.c b/src/njs_vmcode.c
index 84b8b92315afce09960aaee1230c34e70a811b86..ce071db1211d74e3d125ce7d4adf3e11fbf1269f 100644 (file)
--- a/src/njs_vmcode.c
+++ b/src/njs_vmcode.c
@@ -742,6 +742,10 @@ next:
                 fcopy = (njs_vmcode_function_copy_t *) pc;
                 ret = njs_vmcode_function_copy(vm, fcopy->function,
                                                fcopy->retval);
+                if (njs_slow_path(ret != NJS_OK)) {
+                    goto error;
+                }
+
                 break;
 
             case NJS_VMCODE_FUNCTION_FRAME: