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spi: pl022: Fix incorrect dma_unmap_sg

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commit 3ffa6158f0 upstream.

When mapped RX DMA entries are unmapped in an error condition when DMA
is firstly configured in the driver, the number of TX DMA entries was
passed in, which is incorrect

Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Ray Jui 2014-10-09 11:44:54 -07:00 committed by Zefan Li
parent 30e55da73d
commit 37cccefbb8
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-pl022.c
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@ -1061,7 +1061,7 @@ err_rxdesc:
pl022->sgt_tx.nents, DMA_TO_DEVICE);
err_tx_sgmap:
dma_unmap_sg(rxchan->device->dev, pl022->sgt_rx.sgl,
pl022->sgt_tx.nents, DMA_FROM_DEVICE);
pl022->sgt_rx.nents, DMA_FROM_DEVICE);
err_rx_sgmap:
sg_free_table(&pl022->sgt_tx);
err_alloc_tx_sg: