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Commit 3ffa6158 authored by Ray Jui's avatar Ray Jui Committed by Mark Brown
Browse files

spi: pl022: Fix incorrect dma_unmap_sg 



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: default avatarRay Jui <rjui@broadcom.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent a2285b8c

drivers/spi/spi-pl022.c

+1 −1
Original line number Diff line number Diff line
@@ -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: