setupapi: Only copy driver info if SetupDiEnumDriverInfoW succeeded (Valgrind).

Signed-off-by: Sven Baars <sbaars@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

setupapi: Only copy driver info if SetupDiEnumDriverInfoW succeeded (Valgrind).
b0897490 · Sven Baars · Alexandre Julliard · c85b1405 · b0897490
Commit b0897490 authored Apr 17, 2020 by Sven Baars Committed by Alexandre Julliard Apr 17, 2020
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devinst.c dlls/setupapi/devinst.c +2 -1

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--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -4716,7 +4716,8 @@ 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;
 }