--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/rt2x00/rt2x00mmio.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/rt2x00/rt2x00mmio.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,9 +13,7 @@
 	GNU General Public License for more details.
 
 	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to the
-	Free Software Foundation, Inc.,
-	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+	along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
@@ -121,14 +119,12 @@
 	/*
 	 * Allocate DMA memory for descriptor and buffer.
 	 */
-	addr = dma_alloc_coherent(rt2x00dev->dev,
-				  queue->limit * queue->desc_size,
-				  &dma, GFP_KERNEL);
+	addr = dma_zalloc_coherent(rt2x00dev->dev,
+				   queue->limit * queue->desc_size, &dma,
+				   GFP_KERNEL);
 	if (!addr)
 		return -ENOMEM;
 
-	memset(addr, 0, queue->limit * queue->desc_size);
-
 	/*
 	 * Initialize all queue entries to contain valid addresses.
 	 */