Michael Stefaniuc : dmsynth: Don't crash when Open() gets a DMUS_PORTPARAMS7.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 27edcc17d812fa9c22deb1cf2e1dc4eb6b5be4b0
URL:    https://gitlab.winehq.org/wine/wine/-/commit/27edcc17d812fa9c22deb1cf2e1dc4e...

Author: Michael Stefaniuc <mstefani(a)winehq.org>
Date:   Wed Mar 29 22:35:32 2023 +0200

dmsynth: Don't crash when Open() gets a DMUS_PORTPARAMS7.

Wrong sizeof check: pointer instead of referenced structure.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=53704
(cherry picked from commit 48fdc8e08c4150c74e6c740df82518405125541d)

---

 dlls/dmsynth/synth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c
index 121d9aadf35..3631bcfe784 100644
--- a/dlls/dmsynth/synth.c
+++ b/dlls/dmsynth/synth.c
@@ -163,7 +163,7 @@ static HRESULT WINAPI IDirectMusicSynth8Impl_Open(IDirectMusicSynth8 *iface, DMU
         modified = TRUE;
     params->fShare = FALSE;
 
-    if (params->dwSize >= sizeof(params)) {
+    if (params->dwSize >= sizeof(*params)) {
         if (params->dwValidParams & DMUS_PORTPARAMS_FEATURES && params->dwFeatures) {
             if (params->dwFeatures & ~(DMUS_PORT_FEATURE_AUDIOPATH|DMUS_PORT_FEATURE_STREAMING)) {
                 modified = TRUE;