IORequests leaked their IOBuffers.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26742 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/device_manager/io_requests.cpp

@@ -65,6 +65,13 @@ IOBuffer::Create(size_t count)
 }
 
 
+void
+IOBuffer::Delete()
+{
+	free(this);
+}
+
+
 void
 IOBuffer::SetVecs(size_t firstVecOffset, const iovec* vecs, uint32 count,
 	size_t length, uint32 flags)
@@ -508,6 +515,7 @@ IORequest::~IORequest()
 {
 	mutex_lock(&fLock);
 	DeleteSubRequests();
+	fBuffer->Delete();
 	mutex_destroy(&fLock);
 }
 

src/system/kernel/device_manager/io_requests.h

@@ -29,6 +29,7 @@ typedef struct IOOperation io_operation;
 class IOBuffer : public DoublyLinkedListLinkImpl<IOBuffer> {
 public:
 	static	IOBuffer*			Create(size_t count);
+			void				Delete();
 
 			bool				IsVirtual() const { return !fPhysical; }
 			bool				IsPhysical() const { return fPhysical; }
@@ -55,6 +56,7 @@ public:
 			void				UnlockMemory(team_id team, bool isWrite);
 
 private:
+								IOBuffer();
 								~IOBuffer();
 									// not implemented
 			void				_UnlockMemory(team_id team, size_t count,