From 72b7147021a18ea6a045514fa7cad7772c4bb811 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Thu, 27 Jul 2017 00:02:20 +0200 Subject: Windows: use large output buffer for IOCTL_DISK_GET_DRIVE_GEOMETRY_EX calls to avoid failure with disk drivers that don't support returning only sizeof(DISK_GEOMETRY_EX). --- src/Mount/Mount.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/Mount') diff --git a/src/Mount/Mount.c b/src/Mount/Mount.c index b3773b1a..ec612a16 100644 --- a/src/Mount/Mount.c +++ b/src/Mount/Mount.c @@ -10448,15 +10448,15 @@ int RestoreVolumeHeader (HWND hwndDlg, const wchar_t *lpszVolume) } else { - DISK_GEOMETRY_EX driveInfo; + BYTE dgBuffer[256]; bResult = DeviceIoControl (dev, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, NULL, 0, - &driveInfo, sizeof (driveInfo), &dwResult, NULL); + dgBuffer, sizeof (dgBuffer), &dwResult, NULL); if (!bResult) goto error; - hostSize = driveInfo.DiskSize.QuadPart; + hostSize = ((PDISK_GEOMETRY_EX) dgBuffer)->DiskSize.QuadPart; } if (hostSize == 0) -- cgit v1.2.3