diff options
| author | Kevin Hilman <khilman@baylibre.com> | 2017-01-11 18:18:40 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-05 14:40:25 +0200 |
| commit | aabb797b4c1204b2e8518538b2616e476f2bac92 (patch) | |
| tree | d00bf1518705e86db3374d6d10015003e51b5214 /drivers/spi | |
| parent | c32462d0b5232712f8a2a1d6cedb731115ba6f7b (diff) | |
spi: davinci: use dma_mapping_error()
[ Upstream commit c5a2a394835f473ae23931eda5066d3771d7b2f8 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spi')
| -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; } |