hid: Initialize outgoing usages in HidP_GetUsages.

Signed-off-by: Aric Stewart <aric@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

hid: Initialize outgoing usages in HidP_GetUsages.
78a547a1 · Aric Stewart · Alexandre Julliard · c22b2192 · 78a547a1
Commit 78a547a1 authored Dec 07, 2016 by Aric Stewart Committed by Alexandre Julliard Dec 07, 2016
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hidp.c dlls/hid/hidp.c +2 -0

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--- a/dlls/hid/hidp.c
+++ b/dlls/hid/hidp.c
@@ -278,6 +278,8 @@ NTSTATUS WINAPI HidP_GetUsages(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USH
    TRACE("(%i, %x, %i, %p, %p, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, UsageList,
          UsageLength, PreparsedData, Report, ReportLength);

+    *UsageLength = 0;
+
    if (data->magic != HID_MAGIC)
        return HIDP_STATUS_INVALID_PREPARSED_DATA;