Fix possible NULL dereference in createExtrudedMesh

diff --git a/src/mesh.cpp b/src/mesh.cpp
index a98cb8bf4643455a2bc89133120fb0936ce1aa2f..14a194b8822943c4ccac799672db5cf353ecbc47 100644 (file)
--- a/src/mesh.cpp
+++ b/src/mesh.cpp
@@ -280,15 +280,17 @@ scene::IAnimatedMesh* createExtrudedMesh(video::ITexture *texture,
 
                // img1 is in the texture's color format, convert to 8-bit ARGB
                video::IImage *img2 = driver->createImage(video::ECF_A8R8G8B8, size);
-               if (img2 != NULL)
+               if (img2 == NULL)
                {
-                       img1->copyTo(img2);
-
-                       mesh = extrudeARGB(size.Width, size.Height, (u8*) img2->lock());
-                       img2->unlock();
-                       img2->drop();
+                       img1->drop();
+                       return NULL;
                }
+
+               img1->copyTo(img2);
                img1->drop();
+               mesh = extrudeARGB(size.Width, size.Height, (u8*) img2->lock());
+               img2->unlock();
+               img2->drop();
        }
 
        // Set default material