[PATCH v2 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 | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 0e587033a6d..76693fa7408 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -2221,9 +2221,18 @@ 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) {
+        switch (params->result) {
+        case S_OK:
+            /* This driver does not support exclusive mode. */
+            params->result = params->flow == eCapture ?
+                                             AUDCLNT_E_UNSUPPORTED_FORMAT :
+                                             AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
+            break;
+        case S_FALSE:
+            params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
+        }
+    }

return STATUS_SUCCESS;
 }