spi_mpc83xx: get rid of magic numbers

[karo-tx-linux.git] / drivers / spi / spidev.c

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index d04242aee40dd613eaa903c99fe9349a8bf418f8..38b60ad0eda0c605ec474c88bd5ca7f2f4113f40 100644 (file)
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -181,7 +181,8 @@ static int spidev_message(struct spidev_data *spidev,
                }
                if (u_tmp->tx_buf) {
                        k_tmp->tx_buf = buf;
-                       if (copy_from_user(buf, (const u8 __user *)u_tmp->tx_buf,
+                       if (copy_from_user(buf, (const u8 __user *)
+                                               (ptrdiff_t) u_tmp->tx_buf,
                                        u_tmp->len))
                                goto done;
                }
@@ -213,7 +214,8 @@ static int spidev_message(struct spidev_data *spidev,
        buf = spidev->buffer;
        for (n = n_xfers, u_tmp = u_xfers; n; n--, u_tmp++) {
                if (u_tmp->rx_buf) {
-                       if (__copy_to_user((u8 __user *)u_tmp->rx_buf, buf,
+                       if (__copy_to_user((u8 __user *)
+                                       (ptrdiff_t) u_tmp->rx_buf, buf,
                                        u_tmp->len)) {
                                status = -EFAULT;
                                goto done;