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mpr: Do not omit mandatory argument to DeviceIoControl.
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@ -1763,6 +1763,7 @@ static DWORD get_drive_connection( WCHAR letter, LPWSTR remote, LPDWORD size )
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struct mountmgr_unix_drive *data = (struct mountmgr_unix_drive *)buffer;
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HANDLE mgr;
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DWORD ret = WN_NOT_CONNECTED;
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DWORD bytes_returned;
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if ((mgr = CreateFileW( MOUNTMGR_DOS_DEVICE_NAME, GENERIC_READ|GENERIC_WRITE,
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FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
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@ -1774,7 +1775,7 @@ static DWORD get_drive_connection( WCHAR letter, LPWSTR remote, LPDWORD size )
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memset( data, 0, sizeof(*data) );
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data->letter = letter;
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if (DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE, data, sizeof(*data),
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data, sizeof(buffer), NULL, NULL ))
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data, sizeof(buffer), &bytes_returned, NULL ))
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{
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char *p, *mount_point = buffer + data->mount_point_offset;
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DWORD len;
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