crypto: marvell/cesa - Avoid empty transfer descriptor
authorHerbert Xu <herbert@gondor.apana.org.au>
Sat, 10 May 2025 10:43:33 +0000 (18:43 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 14 May 2025 09:45:22 +0000 (17:45 +0800)
commit1bafd82d9a40cf09c6c40f1c09cc35b7050b1a9f
tree3cdf1322647a68eda5394cd5b5b22c9d61a745ed
parent8a4e047c6cc07676f637608a9dd675349b5de0a7
crypto: marvell/cesa - Avoid empty transfer descriptor

The user may set req->src even if req->nbytes == 0.  If there
is no data to hash from req->src, do not generate an empty TDMA
descriptor.

Fixes: db509a45339f ("crypto: marvell/cesa - add TDMA support")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/marvell/cesa/hash.c