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| author | Jia Jie Ho <jiajie.ho@starfivetech.com> | 2024-04-29 14:06:37 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-05-10 17:15:24 +0800 |
| commit | 3d12d90efadf689b05280ebbb3fca870298d218f (patch) | |
| tree | 24c1a8e4a1131580d007a3bf99d67abf4fcef9e0 /drivers/crypto | |
| parent | 6117af86365916e4202b5a709c155f7e6e5df810 (diff) | |
| download | linux-3d12d90efadf689b05280ebbb3fca870298d218f.tar.gz linux-3d12d90efadf689b05280ebbb3fca870298d218f.tar.bz2 linux-3d12d90efadf689b05280ebbb3fca870298d218f.zip | |
crypto: starfive - Skip dma setup for zeroed message
Skip dma setup and mapping for AES driver if plaintext is empty.
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/starfive/jh7110-aes.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/starfive/jh7110-aes.c b/drivers/crypto/starfive/jh7110-aes.c index 72b7d46150d5..9d6e2f936f03 100644 --- a/drivers/crypto/starfive/jh7110-aes.c +++ b/drivers/crypto/starfive/jh7110-aes.c @@ -590,12 +590,16 @@ static int starfive_aes_do_one_req(struct crypto_engine *engine, void *areq) if (ret) return ret; + if (!cryp->total_in) + goto finish_req; + starfive_aes_dma_init(cryp); ret = starfive_aes_map_sg(cryp, rctx->in_sg, rctx->out_sg); if (ret) return ret; +finish_req: starfive_aes_finish_req(ctx); return 0; |