Nikolay Sivov : quartz: Fix NULL pointer dereference (Coverity).
Alexandre Julliard
julliard at winehq.org
Tue Jan 27 09:08:14 CST 2009
Module: wine
Branch: master
Commit: 5ea119a3d0c1f823f2ee0be7f40b465f772e73ca
URL: http://source.winehq.org/git/wine.git/?a=commit;h=5ea119a3d0c1f823f2ee0be7f40b465f772e73ca
Author: Nikolay Sivov <bunglehead at gmail.com>
Date: Tue Jan 27 04:05:00 2009 +0300
quartz: Fix NULL pointer dereference (Coverity).
---
dlls/quartz/control.c | 4 ++--
dlls/quartz/tests/filtergraph.c | 5 +++++
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/dlls/quartz/control.c b/dlls/quartz/control.c
index 36a610e..d14e221 100644
--- a/dlls/quartz/control.c
+++ b/dlls/quartz/control.c
@@ -591,9 +591,9 @@ HRESULT WINAPI MediaSeekingImpl_SetPositions(IMediaSeeking * iface, LONGLONG * p
This->llCurrent = llNewCurrent;
This->llStop = llNewStop;
- if (dwCurrentFlags & AM_SEEKING_ReturnTime)
+ if (pCurrent && (dwCurrentFlags & AM_SEEKING_ReturnTime))
*pCurrent = llNewCurrent;
- if (dwStopFlags & AM_SEEKING_ReturnTime)
+ if (pStop && (dwStopFlags & AM_SEEKING_ReturnTime))
*pStop = llNewStop;
ForwardCmdSeek(This->crst, This->pUserData, fwd_setposition, &args);
diff --git a/dlls/quartz/tests/filtergraph.c b/dlls/quartz/tests/filtergraph.c
index 6f9e4c8..2e5fdc4 100644
--- a/dlls/quartz/tests/filtergraph.c
+++ b/dlls/quartz/tests/filtergraph.c
@@ -272,6 +272,11 @@ static void test_mediacontrol(void)
ok(hr == S_OK, "GetCurrentPosition failed: %08x\n", hr);
ok(pos == 0, "Position != 0 (%x%08x)\n", (DWORD)(pos >> 32), (DWORD)pos);
+ hr = IMediaSeeking_SetPositions(seeking, NULL, AM_SEEKING_ReturnTime, NULL, AM_SEEKING_NoPositioning);
+ ok(hr == S_OK, "SetPositions failed: %08x\n", hr);
+ hr = IMediaSeeking_SetPositions(seeking, NULL, AM_SEEKING_NoPositioning, NULL, AM_SEEKING_ReturnTime);
+ ok(hr == S_OK, "SetPositions failed: %08x\n", hr);
+
IMediaFilter_SetSyncSource(filter, NULL);
pos = 0xdeadbeef;
hr = IMediaSeeking_GetCurrentPosition(seeking, &pos);
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