clitkImageStatistics - small robustness issue

[clitk.git] / tools / clitkImageStatisticsGenericFilter.cxx

diff --git a/tools/clitkImageStatisticsGenericFilter.cxx b/tools/clitkImageStatisticsGenericFilter.cxx
index 90e6ecbd334b2e3856bb79699660d60147bb9900..ddfe5e0293661220055a8aabd95259273d759403 100644 (file)
--- a/tools/clitkImageStatisticsGenericFilter.cxx
+++ b/tools/clitkImageStatisticsGenericFilter.cxx
@@ -54,7 +54,7 @@ namespace clitk
     std::string PixelType;
     ReadImageDimensionAndPixelType(m_InputFileName, Dimension, PixelType, Components);
     
-    if (m_ArgsInfo.channel_arg != -1 && m_ArgsInfo.channel_arg >= Components) {
+    if (m_ArgsInfo.channel_arg < -1 || m_ArgsInfo.channel_arg >= Components) {
       std::cout << "Invalid image channel" << std::endl;
       return;
     }