Zebediah Figura : qedit/mediadet: Check for failure from IEnumPins::Next().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9defa529fcc98dad5387a0a6c2a7ea40a8966808
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=9defa529fcc98dad5387a0a6c2a7ea40a8966808

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Thu Oct 31 23:33:32 2019 -0500

qedit/mediadet: Check for failure from IEnumPins::Next().

Fixes a test crash when gstreamer is not present.

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

---

 dlls/qedit/mediadet.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/qedit/mediadet.c b/dlls/qedit/mediadet.c
index b7a5abb80c..1d70a86a5a 100644
--- a/dlls/qedit/mediadet.c
+++ b/dlls/qedit/mediadet.c
@@ -456,7 +456,12 @@ static HRESULT GetSplitter(MediaDetImpl *This)
             IPin_Release(source_pin);
             goto retry;
         }
-        IEnumPins_Next(pins, 1, &splitter_pin, NULL);
+        if (IEnumPins_Next(pins, 1, &splitter_pin, NULL) != S_OK)
+        {
+            IEnumPins_Release(pins);
+            IPin_Release(source_pin);
+            goto retry;
+        }
         IEnumPins_Release(pins);
 
         hr = IPin_Connect(source_pin, splitter_pin, NULL);