From 7c30251d165ee9b3b9fd4fbd2440824ebcfbb5d7 Mon Sep 17 00:00:00 2001
From: wanghaoshuang <wanghaoshuang@baidu.com>
Date: Wed, 6 Sep 2017 13:10:52 +0800
Subject: [PATCH] Fix padding attribute error.

---
 paddle/operators/pad_op.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/operators/pad_op.h b/paddle/operators/pad_op.h
index 234019394..ed547d0a7 100644
--- a/paddle/operators/pad_op.h
+++ b/paddle/operators/pad_op.h
@@ -83,8 +83,8 @@ void PadGradFunction(const framework::ExecutionContext& context) {
       context.op().GetAttr<std::vector<std::pair<int, int>>>("paddings");
   Eigen::array<std::pair<int, int>, D> paddings;
   for (int i = 0; i < pads.size(); ++i) {
-    paddings[0].first = -paddings[0].first;
-    paddings[1].second = -paddings[1].second;
+    paddings[i].first = -pads[i].first;
+    paddings[i].second = -pads[i].second;
   }
   auto* dOut = context.Input<Tensor>(framework::GradVarName("Out"));
   auto* dX = context.Output<Tensor>(framework::GradVarName("X"));
-- 
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