| Message ID | 20210505202618.2663889-2-clabbe@baylibre.com |
|---|---|
| State | Accepted |
| Commit | 9395c58fdddd79cdd3882132cdd04e8ac7ad525f |
| Headers | show |
| Series | [01/11] crypto: ixp4xx: dma_unmap the correct address | expand |
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;
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> --- drivers/crypto/ixp4xx_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)