winepulse: Fix crash when requesting exclusive mode with an unsupported format.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55362

winepulse: Fix crash when requesting exclusive mode with an unsupported format.
31e52182 · Davide Beatrici · Alexandre Julliard · 797a8bb1 · 31e52182
Commit 31e52182 authored Aug 21, 2023 by Davide Beatrici Committed by Alexandre Julliard Aug 22, 2023
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Showing with 8 additions and 3 deletions

pulse.c dlls/winepulse.drv/pulse.c +8 -3

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--- 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;
 }