mmc: tmio_mmc: unmap with the proper sglen

According to the DMA-API you shall unmap the sglists with the same
sglist length as passed into the mapping function, not the
returned value from the mapping function.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 0d36fa9c629e..1b9fa21c2bdc 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -983,11 +983,11 @@ static void tmio_tasklet_fn(unsigned long arg)
 
         if (host->data->flags & MMC_DATA_READ)
                 dma_unmap_sg(host->chan_rx->device->dev,
-                             host->sg_ptr, host->dma_sglen,
+                             host->sg_ptr, host->sg_len,
                              DMA_FROM_DEVICE);
         else
                 dma_unmap_sg(host->chan_tx->device->dev,
-                             host->sg_ptr, host->dma_sglen,
+                             host->sg_ptr, host->sg_len,
                              DMA_TO_DEVICE);
 
         tmio_mmc_do_data_irq(host);