diff options
| author | Kevin Hilman <khilman@baylibre.com> | 2017-01-11 18:18:40 -0800 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-07-31 13:37:51 -0400 |
| commit | 464978dacd4831e26e98e7ffe599d03e32eca767 (patch) | |
| tree | 0386192637535add967ce17f162a97e1e5f2c751 /drivers/spi | |
| parent | 04cdaa56270f3e71b6a33a5f7f206470e9dd2d86 (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>
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 5e991065f5b0..4e7110351e8c 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -655,7 +655,7 @@ 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; } @@ -669,7 +669,7 @@ 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; } |