From 9395c58fdddd79cdd3882132cdd04e8ac7ad525f Mon Sep 17 00:00:00 2001 From: Corentin Labbe Date: Wed, 5 May 2021 20:26:08 +0000 Subject: crypto: ixp4xx - dma_unmap the correct address 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: 0d44dc59b2b4 ("crypto: ixp4xx - Fix handling of chained sg buffers") Signed-off-by: Corentin Labbe Signed-off-by: Herbert Xu --- drivers/crypto/ixp4xx_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/crypto/ixp4xx_crypto.c') diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 0616e369522e..ed3deaa5ed2b 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -330,7 +330,7 @@ static void free_buf_chain(struct device *dev, struct buffer_desc *buf, buf1 = buf->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); buf = buf1; phys = phys1; -- cgit v1.2.3