+// SPDX-License-Identifier: GPL-2.0-or-later
/************************************************************************
* Linux driver for *
* ICP vortex GmbH: GDT PCI Disk Array Controllers *
* Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> *
* Johannes Dinner <johannes_dinner@adaptec.com> *
* *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published *
- * by the Free Software Foundation; either version 2 of the License, *
- * or (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this kernel; if not, write to the Free Software *
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
* Linux kernel 2.6.x supported *
* *
rval = 0;
out_free_buf:
- dma_free_coherent(&ha->pdev->dev, gen.data_len + gen.sense_len, buf,
- paddr);
+ if (buf)
+ dma_free_coherent(&ha->pdev->dev, gen.data_len + gen.sense_len,
+ buf, paddr);
return rval;
}