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spi: pl022: Fix incorrect dma_unmap_sg

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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>
Cc: stable@vger.kernel.org
This commit is contained in:
Ray Jui 2014-10-09 11:44:54 -07:00 committed by Mark Brown
parent a2285b8c75
commit 3ffa6158f0
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi-pl022.c
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@ -1106,7 +1106,7 @@ static int configure_dma(struct pl022 *pl022)
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: