From 855be9e57a660473ae43a189d6e8f2cb792321b3 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 22 Sep 2017 11:13:04 +0200
Subject: Stop if an indexing method can't be prepared

---
 libcrystfel/src/index.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libcrystfel/src/index.c')

diff --git a/libcrystfel/src/index.c b/libcrystfel/src/index.c
index 225f55c1..17153976 100644
--- a/libcrystfel/src/index.c
+++ b/libcrystfel/src/index.c
@@ -326,6 +326,9 @@ IndexingPrivate *setup_indexing(const char *method_list, UnitCell *cell,
 
 		ipriv->engine_private[i] = prepare_method(&methods[i], cell,
 		                                          det, ltl, options);
+
+		if ( ipriv->engine_private[i] == NULL ) return NULL;
+
 		for ( j=0; j<i; j++ ) {
 			if ( methods[i] == methods[j] ) {
 				ERROR("Duplicate indexing method.\n");
-- 
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