Commit 1bafd82d authored by Herbert Xu's avatar Herbert Xu
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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: db509a45 ("crypto: marvell/cesa - add TDMA support")
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 8a4e047c
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