diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-10 18:43:33 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-27 11:07:06 +0100 |
| commit | 60453e8d9f1c2636c68fc193365266aa1b245930 (patch) | |
| tree | 29ad595248f3c6dea74d0a8396da5fe498d6253b /drivers/crypto | |
| parent | 78ea1ff6cb413a03ff6f7af4e28e24b4461a0965 (diff) | |
crypto: marvell/cesa - Avoid empty transfer descriptor
[ Upstream commit 1bafd82d9a40cf09c6c40f1c09cc35b7050b1a9f ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/marvell/cesa/hash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/marvell/cesa/hash.c b/drivers/crypto/marvell/cesa/hash.c index 84c106509279..72b0f863dee0 100644 --- a/drivers/crypto/marvell/cesa/hash.c +++ b/drivers/crypto/marvell/cesa/hash.c @@ -663,7 +663,7 @@ static int mv_cesa_ahash_dma_req_init(struct ahash_request *req) if (ret) goto err_free_tdma; - if (iter.src.sg) { + if (iter.base.len > iter.src.op_offset) { /* * Add all the new data, inserting an operation block and * launch command between each full SRAM block-worth of |