1 files changed, 1 insertions, 3 deletions

diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c
index 88b35a3dcdc5..8b0ebf3940d2 100644
--- a/arch/powerpc/sysdev/fsl_rmu.c
+++ b/arch/powerpc/sysdev/fsl_rmu.c
@@ -756,15 +756,13 @@ fsl_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
         }
 
         /* Initialize outbound message descriptor ring */
-        rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev,
+        rmu->msg_tx_ring.virt = dma_zalloc_coherent(priv->dev,
                                 rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
                                 &rmu->msg_tx_ring.phys, GFP_KERNEL);
         if (!rmu->msg_tx_ring.virt) {
                 rc = -ENOMEM;
                 goto out_dma;
         }
-        memset(rmu->msg_tx_ring.virt, 0,
-                        rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
         rmu->msg_tx_ring.tx_slot = 0;
 
         /* Point dequeue/enqueue pointers at first entry in ring */