From 509c6557dd3fb95a9c9ba8f2c43ff7ec6af300bf Mon Sep 17 00:00:00 2001
From: Martin Atkins <mart@degeneration.co.uk>
Date: Fri, 11 May 2018 14:58:39 -0700
Subject: [PATCH] core: Don't crash EvalValidateProvisioner if no connection
 block present

---
 terraform/eval_validate.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/terraform/eval_validate.go b/terraform/eval_validate.go
index d16b6430d..caecbc169 100644
--- a/terraform/eval_validate.go
+++ b/terraform/eval_validate.go
@@ -189,6 +189,11 @@ func (n *EvalValidateProvisioner) validateConnConfig(ctx EvalContext, config *co
 
 	var diags tfdiags.Diagnostics
 
+	if config == nil || config.Config == nil {
+		// No block to validate
+		return diags
+	}
+
 	// We evaluate here just by evaluating the block and returning any
 	// diagnostics we get, since evaluation alone is enough to check for
 	// extraneous arguments and incorrectly-typed arguments.