powerpc/rmu: Fix the error memory free parameters

There are error parameters should be corrected when
calling dma_free_coherent to free rmu rx-ring buffers
in fsl_open_inb_mbox() function.

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>

diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c
index 00e224a1048c9ed0a690ad694bdd0c8a84318eed..b48197ae44d0f1ebfb26a8ca4b5d4ca023c5dbce 100644 (file)
--- a/arch/powerpc/sysdev/fsl_rmu.c
+++ b/arch/powerpc/sysdev/fsl_rmu.c
@@ -881,9 +881,9 @@ fsl_open_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
        rc = request_irq(IRQ_RIO_RX(mport), fsl_rio_rx_handler, 0,
                         "msg_rx", (void *)mport);
        if (rc < 0) {
-               dma_free_coherent(priv->dev, RIO_MSG_BUFFER_SIZE,
-                       rmu->msg_tx_ring.virt_buffer[i],
-                       rmu->msg_tx_ring.phys_buffer[i]);
+               dma_free_coherent(priv->dev,
+                       rmu->msg_rx_ring.size * RIO_MAX_MSG_SIZE,
+                       rmu->msg_rx_ring.virt, rmu->msg_rx_ring.phys);
                goto out;
        }