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crypto: ixp4xx - dma_unmap the correct address

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[ Upstream commit 9395c58fdd ]

Testing ixp4xx_crypto with CONFIG_DMA_API_DEBUG lead to the following error:
DMA-API: platform ixp4xx_crypto.0: device driver tries to free DMA memory it has not allocated [device address=0x0000000000000000] [size=24 bytes]

This is due to dma_unmap using the wrong address.

Fixes: 0d44dc59b2 ("crypto: ixp4xx - Fix handling of chained sg buffers")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Corentin Labbe 2021-05-05 20:26:08 +00:00 committed by Greg Kroah-Hartman
parent 2c3164f31a
commit f00454ac40
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/ixp4xx_crypto.c
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@ -330,7 +330,7 @@ static void free_buf_chain(struct device *dev, struct buffer_desc *buf,
buf1 = buf->next; buf1 = buf->next;
phys1 = buf->phys_next; phys1 = buf->phys_next;
dma_unmap_single(dev, buf->phys_next, buf->buf_len, buf->dir); dma_unmap_single(dev, buf->phys_addr, buf->buf_len, buf->dir);
dma_pool_free(buffer_pool, buf, phys); dma_pool_free(buffer_pool, buf, phys);
buf = buf1; buf = buf1;
phys = phys1; phys = phys1;