From 6bde8881169cdf37256b0148e7d383232a4e305e Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Fri, 15 Mar 2019 23:52:33 +0100
Subject: Helmert: avoid potential division by zero

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11893
Credit to OSS Fuzz
---
 src/transformations/helmert.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/transformations/helmert.cpp')

diff --git a/src/transformations/helmert.cpp b/src/transformations/helmert.cpp
index 034f76f4..c00fad2f 100644
--- a/src/transformations/helmert.cpp
+++ b/src/transformations/helmert.cpp
@@ -567,14 +567,14 @@ PJ *TRANSFORMATION(helmert, 0) {
     if (pj_param_exists (P->params, "theta")) {
         P->left  = PJ_IO_UNITS_PROJECTED;
         P->right = PJ_IO_UNITS_PROJECTED;
+        P->fwd    = helmert_forward;
+        P->inv    = helmert_reverse;
     }
 
     P->fwd4d  = helmert_forward_4d;
     P->inv4d  = helmert_reverse_4d;
     P->fwd3d  = helmert_forward_3d;
     P->inv3d  = helmert_reverse_3d;
-    P->fwd    = helmert_forward;
-    P->inv    = helmert_reverse;
 
     Q = (struct pj_opaque_helmert *)P->opaque;
 
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