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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2017-07-26 22:02:20 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2017-07-26 22:30:53 (GMT)
commit72b7147021a18ea6a045514fa7cad7772c4bb811 (patch)
tree887444e7b44b2c4046d1553524a86d0c0f9556c7 /src/ExpandVolume
parentc29ee8331afa52f72df5fb21daa02457243650fe (diff)
downloadVeraCrypt-72b7147021a18ea6a045514fa7cad7772c4bb811.zip
VeraCrypt-72b7147021a18ea6a045514fa7cad7772c4bb811.tar.gz
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).
Diffstat (limited to 'src/ExpandVolume')
-rw-r--r--src/ExpandVolume/ExpandVolume.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/ExpandVolume/ExpandVolume.c b/src/ExpandVolume/ExpandVolume.c
index 3ed2257..9e9252c 100644
--- a/src/ExpandVolume/ExpandVolume.c
+++ b/src/ExpandVolume/ExpandVolume.c
@@ -559,17 +559,17 @@ static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePas
}
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;
- HostSectorSize = driveInfo.Geometry.BytesPerSector;
+ HostSectorSize = ((PDISK_GEOMETRY_EX) dgBuffer)->Geometry.BytesPerSector;
}
if (hostSize == 0)