[DirectShow] Fix potential memory access violation

Change-Id: I5da495d255e6fdd3a70c1ed486afb61f157c923e Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
2015-04-11 19:33:55 +04:00
parent 740f16ac60
commit 277d104faa
1 changed files with 3 additions and 0 deletions
--- a/src/plugins/directshow/player/directshowiosource.cpp
+++ b/src/plugins/directshow/player/directshowiosource.cpp
@@ -99,6 +99,9 @@ void DirectShowIOSource::setDevice(QIODevice *device)

 void DirectShowIOSource::setAllocator(IMemAllocator *allocator)
 {
+    if (m_allocator == allocator)
+        return;
+
    if (m_allocator)
        m_allocator->Release();