diff options
| author | Jia Jie Ho <jiajie.ho@starfivetech.com> | 2024-04-29 09:06:40 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-05-10 12:15:24 +0300 |
| commit | f8c423bab99cc2facc37cfd7d29ad8864f98a4c2 (patch) | |
| tree | eadfc45fa202f6c201413eed39b62a876b991831 /drivers | |
| parent | d7f01649f4eaf1878472d3d3f480ae1e50d98f6c (diff) | |
| download | linux-f8c423bab99cc2facc37cfd7d29ad8864f98a4c2.tar.xz | |
crypto: starfive - Use fallback for unaligned dma access
Dma address mapping fails on unaligned scatterlist offset. Use sw
fallback for these cases.
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/starfive/jh7110-aes.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/crypto/starfive/jh7110-aes.c b/drivers/crypto/starfive/jh7110-aes.c index 9d6e2f936f03..86a1a1fa9f8f 100644 --- a/drivers/crypto/starfive/jh7110-aes.c +++ b/drivers/crypto/starfive/jh7110-aes.c @@ -314,7 +314,7 @@ static int starfive_aes_read_authtag(struct starfive_cryp_ctx *ctx) cryp->total_in, cryp->authsize, 1); } else { if (crypto_memneq(cryp->tag_in, cryp->tag_out, cryp->authsize)) - return dev_err_probe(cryp->dev, -EBADMSG, "Failed tag verification\n"); + return -EBADMSG; } return 0; @@ -753,14 +753,16 @@ static bool starfive_aes_check_unaligned(struct starfive_cryp_dev *cryp, int i; for_each_sg(src, tsg, sg_nents(src), i) - if (!IS_ALIGNED(tsg->length, AES_BLOCK_SIZE) && - !sg_is_last(tsg)) + if (!IS_ALIGNED(tsg->offset, sizeof(u32)) || + (!IS_ALIGNED(tsg->length, AES_BLOCK_SIZE) && + !sg_is_last(tsg))) return true; if (src != dst) for_each_sg(dst, tsg, sg_nents(dst), i) - if (!IS_ALIGNED(tsg->length, AES_BLOCK_SIZE) && - !sg_is_last(tsg)) + if (!IS_ALIGNED(tsg->offset, sizeof(u32)) || + (!IS_ALIGNED(tsg->length, AES_BLOCK_SIZE) && + !sg_is_last(tsg))) return true; return false; |