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kernel32: Do not omit mandatory argument to DeviceIoControl.

This commit is contained in:
Thomas Faber 2014-07-19 20:53:10 +02:00 committed by Alexandre Julliard
parent 21a7cc6fa7
commit 7865b1a277
1 changed files with 8 additions and 4 deletions
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12
dlls/kernel32/volume.c
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@ -187,6 +187,7 @@ static DWORD get_mountmgr_drive_type( LPCWSTR root )
{
HANDLE mgr;
struct mountmgr_unix_drive data;
DWORD br;
memset( &data, 0, sizeof(data) );
if (root) data.letter = root[0];
@ -203,7 +204,7 @@ static DWORD get_mountmgr_drive_type( LPCWSTR root )
if (mgr == INVALID_HANDLE_VALUE) return DRIVE_UNKNOWN;
if (!DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE, &data, sizeof(data), &data,
sizeof(data), NULL, NULL ) && GetLastError() != ERROR_MORE_DATA)
sizeof(data), &br, NULL ) && GetLastError() != ERROR_MORE_DATA)
data.type = DRIVE_UNKNOWN;
CloseHandle( mgr );
@ -1044,6 +1045,7 @@ BOOL WINAPI GetVolumeNameForVolumeMountPointW( LPCWSTR path, LPWSTR volume, DWOR
NTSTATUS status;
HANDLE mgr = INVALID_HANDLE_VALUE;
BOOL ret = FALSE;
DWORD br;
TRACE("(%s, %p, %x)\n", debugstr_w(path), volume, size);
if (path[lstrlenW(path)-1] != '\\')
@ -1110,7 +1112,7 @@ BOOL WINAPI GetVolumeNameForVolumeMountPointW( LPCWSTR path, LPWSTR volume, DWOR
/* now get the true volume name from the mountmgr */
if (!DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_POINTS, input, i_size,
output, o_size, NULL, NULL ))
output, o_size, &br, NULL ))
goto err_ret;
/* Verify and return the data, note string is not null terminated */
@ -1869,6 +1871,7 @@ static MOUNTMGR_MOUNT_POINTS *query_mount_points( HANDLE mgr, MOUNTMGR_MOUNT_POI
{
MOUNTMGR_MOUNT_POINTS *output;
DWORD outsize = 1024;
DWORD br;
for (;;)
{
@ -1877,7 +1880,7 @@ static MOUNTMGR_MOUNT_POINTS *query_mount_points( HANDLE mgr, MOUNTMGR_MOUNT_POI
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return NULL;
}
if (DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_POINTS, input, insize, output, outsize, NULL, NULL )) break;
if (DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_POINTS, input, insize, output, outsize, &br, NULL )) break;
outsize = output->Size;
HeapFree( GetProcessHeap(), 0, output );
if (GetLastError() != ERROR_MORE_DATA) return NULL;
@ -2024,6 +2027,7 @@ HANDLE WINAPI FindFirstVolumeA(LPSTR volume, DWORD len)
HANDLE WINAPI FindFirstVolumeW( LPWSTR volume, DWORD len )
{
DWORD size = 1024;
DWORD br;
HANDLE mgr = CreateFileW( MOUNTMGR_DOS_DEVICE_NAME, 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, 0 );
if (mgr == INVALID_HANDLE_VALUE) return INVALID_HANDLE_VALUE;
@ -2041,7 +2045,7 @@ HANDLE WINAPI FindFirstVolumeW( LPWSTR volume, DWORD len )
memset( &input, 0, sizeof(input) );
if (!DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_POINTS, &input, sizeof(input),
output, size, NULL, NULL ))
output, size, &br, NULL ))
{
if (GetLastError() != ERROR_MORE_DATA) break;
size = output->Size;