superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

crypto: hisilicon - Fix dma_unmap_single() direction 

The direction used to map the buffer skreq->iv is DMA_TO_DEVICE but it is
unmapped with direction DMA_BIDIRECTIONAL in the error path.

Change the unmap to match the mapping.

Fixes: 915e4e8413 ("crypto: hisilicon - SEC security accelerator driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
master
Thomas Fourier 2026-03-30 17:19:32 +02:00 committed by Herbert Xu
parent a1b80018b8
commit 1ee57ab93b
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/crypto/hisilicon/sec/sec_algs.c
View File

@ -844,7 +844,7 @@ err_free_elements:
if (crypto_skcipher_ivsize(atfm))
dma_unmap_single(info->dev, sec_req->dma_iv,
crypto_skcipher_ivsize(atfm),
DMA_BIDIRECTIONAL);
DMA_TO_DEVICE);
err_unmap_out_sg:
if (split)
sec_unmap_sg_on_err(skreq->dst, steps, splits_out,