Zebediah Figura : strmbase: Check for a NULL media type in IPin::ReceiveConnection().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 88898cf56057daee3bd9a10a0296da5ab178aa05
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=88898cf56057daee3bd9a10a0...

Author: Zebediah Figura <z.figura12(a)gmail.com>
Date:   Tue Dec 10 21:53:32 2019 -0600

strmbase: Check for a NULL media type in IPin::ReceiveConnection().

Signed-off-by: Zebediah Figura <z.figura12(a)gmail.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/strmbase/pin.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/strmbase/pin.c b/dlls/strmbase/pin.c
index 5255a6c7b0..3dd00b27cc 100644
--- a/dlls/strmbase/pin.c
+++ b/dlls/strmbase/pin.c
@@ -633,6 +633,9 @@ HRESULT WINAPI BaseInputPinImpl_ReceiveConnection(IPin * iface, IPin * pReceiveP
     TRACE("(%p)->(%p, %p)\n", This, pReceivePin, pmt);
     strmbase_dump_media_type(pmt);
 
+    if (!pmt)
+        return E_POINTER;
+
     EnterCriticalSection(&This->pin.filter->csFilter);
     {
         if (This->pin.filter->state != State_Stopped)