diff options
| -rw-r--r-- | drivers/spi/spidev.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index d04242aee40d..38b60ad0eda0 100644 --- 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; |