From 15a09654f47514606b14a702ba3875d98575210c Mon Sep 17 00:00:00 2001
From: Gaurav Singh <gaurav1086@gmail.com>
Date: Sat, 1 Feb 2020 06:41:17 -0500
Subject: [PATCH] [core] check index channel before accessing
center_frequencies_
---
tensorflow/core/kernels/mfcc_mel_filterbank.cc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tensorflow/core/kernels/mfcc_mel_filterbank.cc b/tensorflow/core/kernels/mfcc_mel_filterbank.cc
index 2c22fec2b11..aaa5797f3b1 100644
--- a/tensorflow/core/kernels/mfcc_mel_filterbank.cc
+++ b/tensorflow/core/kernels/mfcc_mel_filterbank.cc
@@ -100,8 +100,8 @@ bool MfccMelFilterbank::Initialize(int input_length, double input_sample_rate,
if ((i < start_index_) || (i > end_index_)) {
band_mapper_[i] = -2; // Indicate an unused Fourier coefficient.
} else {
- while ((center_frequencies_[channel] < melf) &&
- (channel < num_channels_)) {
+ while ((channel < num_channels_) &&
+ (center_frequencies_[channel] < melf)) {
++channel;
}
band_mapper_[i] = channel - 1; // Can be == -1