From 78a547a11ce0b15e8dde7b1b50900c36c2adf1ea Mon Sep 17 00:00:00 2001 From: Aric Stewart Date: Wed, 7 Dec 2016 08:32:20 -0600 Subject: [PATCH] hid: Initialize outgoing usages in HidP_GetUsages. Signed-off-by: Aric Stewart Signed-off-by: Alexandre Julliard --- dlls/hid/hidp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/dlls/hid/hidp.c b/dlls/hid/hidp.c index cac9d4ed550..56616b40eef 100644 --- 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; -- 2.11.4.GIT