diff options
| author | Kevin Hilman <khilman@baylibre.com> | 2017-01-12 03:18:40 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-01-12 18:24:45 +0100 |
| commit | c5a2a394835f473ae23931eda5066d3771d7b2f8 (patch) | |
| tree | 34867fce2558611a0443d10de1e796a049acbccb /drivers/spi/spi-davinci.c | |
| parent | Merge remote-tracking branches 'spi/topic/spidev', 'spi/topic/sunxi', 'spi/to... (diff) | |
| download | linux-c5a2a394835f473ae23931eda5066d3771d7b2f8.tar.xz linux-c5a2a394835f473ae23931eda5066d3771d7b2f8.zip | |
spi: davinci: use dma_mapping_error()
The correct error checking for dma_map_single() is to use
dma_mapping_error().
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-davinci.c')
| -rw-r--r-- | drivers/spi/spi-davinci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index d36c11b73a35..02fb96797ac8 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -646,7 +646,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t) buf = t->rx_buf; t->rx_dma = dma_map_single(&spi->dev, buf, t->len, DMA_FROM_DEVICE); - if (!t->rx_dma) { + if (dma_mapping_error(&spi->dev, !t->rx_dma)) { ret = -EFAULT; goto err_rx_map; } @@ -660,7 +660,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t) buf = (void *)t->tx_buf; t->tx_dma = dma_map_single(&spi->dev, buf, t->len, DMA_TO_DEVICE); - if (!t->tx_dma) { + if (dma_mapping_error(&spi->dev, t->tx_dma)) { ret = -EFAULT; goto err_tx_map; } |