[PATCH v3 1/1] winepulse: Fix crash when requesting exclusive mode with an unsupported format.

[Davide Beatrici]

From: Davide Beatrici

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55362
---
 dlls/winepulse.drv/pulse.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 0e587033a6d..370c361b02f 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -2221,9 +2221,14 @@ static NTSTATUS pulse_is_format_supported(void *args)
         break;
     }

-    /* This driver does not support exclusive mode. */
-    if (exclusive && params->result == S_OK)
-        params->result = params->flow == eCapture ? AUDCLNT_E_UNSUPPORTED_FORMAT : AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
+    if (exclusive) { /* This driver does not support exclusive mode. */
+        if (params->result == S_OK)
+            params->result = params->flow == eCapture ?
+                                             AUDCLNT_E_UNSUPPORTED_FORMAT :
+                                             AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
+        else if (params->result == S_FALSE)
+            params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
+    }

return STATUS_SUCCESS;
 }