[PATCH v2 6/6] mmdevapi: Add error if no driver could be initialized.

[Bernhard Übelacker]

From: Bernhard Übelacker

Currently there is no logging if all drivers could not be loaded.
This could make users aware of missing dependencies.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57206
---
 dlls/mmdevapi/main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/mmdevapi/main.c b/dlls/mmdevapi/main.c
index 36c94908d67..74643572348 100644
--- a/dlls/mmdevapi/main.c
+++ b/dlls/mmdevapi/main.c
@@ -179,6 +179,11 @@ static BOOL WINAPI init_driver(INIT_ONCE *once, void *param, void **context)
         load_driver_devices(eCapture);
     }

+    if (drvs.module == 0)
+        ERR("No driver from %s could be initialized. "
+            "Maybe check dependencies with WINEDEBUG=warn+module.\n",
+            wine_dbgstr_w(driver_list));
+
     return drvs.module != 0;
 }