[PATCH 3/4] setupapi: Only copy driver info if SetupDiEnumDriverInfoW succeeded (Valgrind).

[Sven Baars]

Signed-off-by: Sven Baars 
---
 dlls/setupapi/devinst.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index 2d8e77eef0..f56aee727a 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -4715,7 +4715,8 @@ BOOL WINAPI SetupDiEnumDriverInfoA(HDEVINFO devinfo, SP_DEVINFO_DATA *device_dat

driver_dataW.cbSize = sizeof(driver_dataW);
     ret = SetupDiEnumDriverInfoW(devinfo, device_data, type, index, &driver_dataW);
-    driver_data_wtoa(driver_data, &driver_dataW);
+    if (ret) driver_data_wtoa(driver_data, &driver_dataW);
+
     return ret;
 }