From: Corentin Labbe <clabbe@baylibre.com> stable inclusion from stable-5.10.50 commit f00454ac40f87fda875252d1b22e0876512d4414 bugzilla: 174522 https://gitee.com/openeuler/kernel/issues/I4DNFY Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ Upstream commit 9395c58fdddd79cdd3882132cdd04e8ac7ad525f ] 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 <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Acked-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> --- drivers/crypto/ixp4xx_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 8b0f17fc09fb..9e330e93e340 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; -- 2.20.1