diff options
Diffstat (limited to 'drivers/spi/spi-bcm2835.c')
| -rw-r--r-- | drivers/spi/spi-bcm2835.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index e10b8f3b4bab..cad3458e23ed 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -940,6 +940,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev, if (dma_mapping_error(ctlr->dma_tx->device->dev, bs->fill_tx_addr)) { dev_err(dev, "cannot map zero page - not using DMA mode\n"); bs->fill_tx_addr = 0; + ret = -ENOMEM; goto err_release; } @@ -949,6 +950,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev, DMA_MEM_TO_DEV, 0); if (!bs->fill_tx_desc) { dev_err(dev, "cannot prepare fill_tx_desc - not using DMA mode\n"); + ret = -ENOMEM; goto err_release; } @@ -979,6 +981,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev, if (dma_mapping_error(ctlr->dma_rx->device->dev, bs->clear_rx_addr)) { dev_err(dev, "cannot map clear_rx_cs - not using DMA mode\n"); bs->clear_rx_addr = 0; + ret = -ENOMEM; goto err_release; } @@ -989,6 +992,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev, DMA_MEM_TO_DEV, 0); if (!bs->clear_rx_desc[i]) { dev_err(dev, "cannot prepare clear_rx_desc - not using DMA mode\n"); + ret = -ENOMEM; goto err_release; } |