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spi: spi-fsl-dspi: Fix incorrect freeing of DMA allocated buffers 

Buffers allocated with a call to dma_alloc_coherent should be
freed with dma_free_coherent instead of the currently used
devm_kfree.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sanchayan Maity 2016-11-22 12:31:32 +05:30 committed by Mark Brown
parent 9811430465
commit 27d21e9f98
1 changed files with 4 additions and 2 deletions
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6
drivers/spi/spi-fsl-dspi.c
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@ -427,9 +427,11 @@ static int dspi_request_dma(struct fsl_dspi *dspi, phys_addr_t phy_addr)
return 0;
err_slave_config:
devm_kfree(dev, dma->rx_dma_buf);
dma_free_coherent(dev, DSPI_DMA_BUFSIZE,
dma->rx_dma_buf, dma->rx_dma_phys);
err_rx_dma_buf:
devm_kfree(dev, dma->tx_dma_buf);
dma_free_coherent(dev, DSPI_DMA_BUFSIZE,
dma->tx_dma_buf, dma->tx_dma_phys);
err_tx_dma_buf:
dma_release_channel(dma->chan_tx);
err_tx_channel: