Clang-Tidy: Fix readability-delete-null-pointer warnings

Also enable it in the configuration.

1 files changed, 2 insertions, 6 deletions

diff --git a/source/blender/freestyle/intern/image/GaussianFilter.cpp b/source/blender/freestyle/intern/image/GaussianFilter.cpp
index 87e2caee8a9..ca476bee0d3 100644
--- a/source/blender/freestyle/intern/image/GaussianFilter.cpp
+++ b/source/blender/freestyle/intern/image/GaussianFilter.cpp
@@ -55,9 +55,7 @@ GaussianFilter &GaussianFilter::operator=(const GaussianFilter &iBrother)
 
 GaussianFilter::~GaussianFilter()
 {
-  if (0 != _mask) {
-    delete[] _mask;
-  }
+  delete[] _mask;
 }
 
 int GaussianFilter::computeMaskSize(float sigma)
@@ -78,9 +76,7 @@ void GaussianFilter::setSigma(float sigma)
 
 void GaussianFilter::computeMask()
 {
-  if (0 != _mask) {
-    delete[] _mask;
-  }
+  delete[] _mask;
 
   _maskSize = computeMaskSize(_sigma);
   _storedMaskSize = (_maskSize + 1) >> 1;