From ee351bc2d5f129f1c9acea7c96193bc2c9e8c366 Mon Sep 17 00:00:00 2001
From: Frank Barchard <fbarchard@google.com>
Date: Thu, 11 Jun 2015 16:35:20 -0700
Subject: [PATCH] check height is non-zero

BUG=none
TESTED=libyuv unittest with even width
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/51219004.
---
 source/rotate.cc | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/source/rotate.cc b/source/rotate.cc
index 4d8c40cca..e881cc03b 100644
--- a/source/rotate.cc
+++ b/source/rotate.cc
@@ -838,7 +838,9 @@ void TransposePlane(const uint8* src, int src_stride,
     i -= 8;
   }
 
-  TransposeWxH_C(src, src_stride, dst, dst_stride, width, i);
+  if (i > 0) {
+    TransposeWxH_C(src, src_stride, dst, dst_stride, width, i);
+  }
 }
 
 LIBYUV_API
@@ -1037,10 +1039,12 @@ void TransposeUV(const uint8* src, int src_stride,
     i -= 8;
   }
 
-  TransposeUVWxH_C(src, src_stride,
-                   dst_a, dst_stride_a,
-                   dst_b, dst_stride_b,
-                   width, i);
+  if (i > 0) {
+    TransposeUVWxH_C(src, src_stride,
+                     dst_a, dst_stride_a,
+                     dst_b, dst_stride_b,
+                     width, i);
+  }
 }
 
 LIBYUV_API