[Bf-blender-cvs] [27630f4] master: Fix T40459: Gauss table can be NULL when ending the blur node operation, which must not be passed to MEM_freeN.

[Lukas Tönne]

Commit: 27630f41a7ac9bd0677d0df5a301a86785397a89
Author: Lukas Tönne
Date:   Sun Jun 1 16:30:58 2014 +0200
https://developer.blender.org/rB27630f41a7ac9bd0677d0df5a301a86785397a89

Fix T40459: Gauss table can be NULL when ending the blur node operation,
which must not be passed to MEM_freeN.

===================================================================

M	source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp
M	source/blender/compositor/operations/COM_GaussianAlphaYBlurOperation.cpp
M	source/blender/compositor/operations/COM_GaussianBokehBlurOperation.cpp
M	source/blender/compositor/operations/COM_GaussianXBlurOperation.cpp
M	source/blender/compositor/operations/COM_GaussianYBlurOperation.cpp

===================================================================

diff --git a/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp b/source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cpp
index 69aa7d0..c78347e 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();
 }
diff --git a/source/blender/compositor/operations/COM_GaussianAlphaYBlurOperation.cpp b/source/blender/compositor/operations/COM_GaussianAlphaYBlurOperation.cpp
index ae1f309..ab97c8b 100644
--- a/source/blender/compositor/operations/COM_GaussianAlphaYBlurOperation.cpp
+++ b/source/blender/compositor/operations/COM_GaussianAlphaYBlurOperation.cpp
@@ -146,10 +146,16 @@ void GaussianAlphaYBlurOperation::executePixel(float output[4], int x, int y, vo
 void GaussianAlphaYBlurOperation::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();
 }
diff --git a/source/blender/compositor/operations/COM_GaussianBokehBlurOperation.cpp b/source/blender/compositor/operations/COM_GaussianBokehBlurOperation.cpp
index d5743c4..441b623 100644
--- a/source/blender/compositor/operations/COM_GaussianBokehBlurOperation.cpp
+++ b/source/blender/compositor/operations/COM_GaussianBokehBlurOperation.cpp
@@ -157,8 +157,11 @@ void GaussianBokehBlurOperation::executePixel(float output[4], int x, int y, voi
 void GaussianBokehBlurOperation::deinitExecution()
 {
 	BlurBaseOperation::deinitExecution();
-	MEM_freeN(this->m_gausstab);
-	this->m_gausstab = NULL;
+
+	if (this->m_gausstab) {
+		MEM_freeN(this->m_gausstab);
+		this->m_gausstab = NULL;
+	}
 
 	deinitMutex();
 }
diff --git a/source/blender/compositor/operations/COM_GaussianXBlurOperation.cpp b/source/blender/compositor/operations/COM_GaussianXBlurOperation.cpp
index 815b89a..d08924c 100644
--- a/source/blender/compositor/operations/COM_GaussianXBlurOperation.cpp
+++ b/source/blender/compositor/operations/COM_GaussianXBlurOperation.cpp
@@ -100,6 +100,7 @@ void GaussianXBlurOperation::executePixel(float output[4], int x, int y, void *d
 void GaussianXBlurOperation::deinitExecution()
 {
 	BlurBaseOperation::deinitExecution();
+
 	if (this->m_gausstab) {
 		MEM_freeN(this->m_gausstab);
 		this->m_gausstab = NULL;
diff --git a/source/blender/compositor/operations/COM_GaussianYBlurOperation.cpp b/source/blender/compositor/operations/COM_GaussianYBlurOperation.cpp
index 47c0317..8216b79 100644
--- a/source/blender/compositor/operations/COM_GaussianYBlurOperation.cpp
+++ b/source/blender/compositor/operations/COM_GaussianYBlurOperation.cpp
@@ -101,6 +101,7 @@ void GaussianYBlurOperation::executePixel(float output[4], int x, int y, void *d
 void GaussianYBlurOperation::deinitExecution()
 {
 	BlurBaseOperation::deinitExecution();
+
 	if (this->m_gausstab) {
 		MEM_freeN(this->m_gausstab);
 		this->m_gausstab = NULL;