Fix T40459: Gauss table can be NULL when ending the blur node operation,

which must not be passed to MEM_freeN.

1 files changed, 10 insertions, 4 deletions

diff --git a/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp b/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp
index 69aa7d0fee5..c78347e7b1c 100644
--- a/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp
+++ b/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp
@@ -146,10 +146,16 @@ void GaussianAlphaXBlurOperation::executePixel(float output[4], int x, int y, vo
 void GaussianAlphaXBlurOperation::deinitExecution()
 {
 	BlurBaseOperation::deinitExecution();
-	MEM_freeN(this->m_gausstab);
-	this->m_gausstab = NULL;
-	MEM_freeN(this->m_distbuf_inv);
-	this->m_distbuf_inv = NULL;
+
+	if (this->m_gausstab) {
+		MEM_freeN(this->m_gausstab);
+		this->m_gausstab = NULL;
+	}
+
+	if (this->m_distbuf_inv) {
+		MEM_freeN(this->m_distbuf_inv);
+		this->m_distbuf_inv = NULL;
+	}
 
 	deinitMutex();
 }