[core] check index channel before accessing center_frequencies_

2020-02-01 06:41:17 -05:00 · 2020-02-01 06:41:17 -05:00 · 15a09654f4
commit 15a09654f4
parent 24fd250d73
1 changed files with 2 additions and 2 deletions
--- 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