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| author | LEROY Christophe <christophe.leroy@c-s.fr> | 2017-10-06 15:04:45 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-10-12 22:55:27 +0800 |
| commit | e4a647c49c581e877001676e658a8dab82a15967 (patch) | |
| tree | 0f688041532733481a22b800f2b345642ce880c7 /drivers/crypto/talitos.h | |
| parent | 70d355ccea899dad47dc22d3a4406998f55143fd (diff) | |
| download | blackbird-op-linux-e4a647c49c581e877001676e658a8dab82a15967.tar.gz blackbird-op-linux-e4a647c49c581e877001676e658a8dab82a15967.zip | |
crypto: talitos - zeroize the descriptor with memset()
This patch zeroize the descriptor at allocation using memset().
This has two advantages:
- It reduces the number of places where data has to be set to 0
- It avoids reading memory and loading the cache with data that
will be entirely replaced.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.h')
| -rw-r--r-- | drivers/crypto/talitos.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h index 8dd8f40e2771..6112ff1fc334 100644 --- a/drivers/crypto/talitos.h +++ b/drivers/crypto/talitos.h @@ -52,8 +52,6 @@ struct talitos_ptr { __be32 ptr; /* address */ }; -static const struct talitos_ptr zero_entry; - /* descriptor */ struct talitos_desc { __be32 hdr; /* header high bits */ |
