Commit a6767721 authored by David S. Miller's avatar David S. Miller

[CRYPTO]: HMAC needs some more scatterlist fixups.

hmac_setkey(), hmac_init(), and hmac_final() have
a singular on-stack scatterlist.  Initialit is
using sg_init_one() instead of using sg_set_buf().
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 564262c1
...@@ -61,7 +61,7 @@ static int hmac_setkey(struct crypto_hash *parent, ...@@ -61,7 +61,7 @@ static int hmac_setkey(struct crypto_hash *parent,
desc.tfm = tfm; desc.tfm = tfm;
desc.flags = crypto_hash_get_flags(parent); desc.flags = crypto_hash_get_flags(parent);
desc.flags &= CRYPTO_TFM_REQ_MAY_SLEEP; desc.flags &= CRYPTO_TFM_REQ_MAY_SLEEP;
sg_set_buf(&tmp, inkey, keylen); sg_init_one(&tmp, inkey, keylen);
err = crypto_hash_digest(&desc, &tmp, keylen, digest); err = crypto_hash_digest(&desc, &tmp, keylen, digest);
if (err) if (err)
...@@ -96,7 +96,7 @@ static int hmac_init(struct hash_desc *pdesc) ...@@ -96,7 +96,7 @@ static int hmac_init(struct hash_desc *pdesc)
desc.tfm = ctx->child; desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_set_buf(&tmp, ipad, bs); sg_init_one(&tmp, ipad, bs);
err = crypto_hash_init(&desc); err = crypto_hash_init(&desc);
if (unlikely(err)) if (unlikely(err))
...@@ -131,7 +131,7 @@ static int hmac_final(struct hash_desc *pdesc, u8 *out) ...@@ -131,7 +131,7 @@ static int hmac_final(struct hash_desc *pdesc, u8 *out)
desc.tfm = ctx->child; desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_set_buf(&tmp, opad, bs + ds); sg_init_one(&tmp, opad, bs + ds);
err = crypto_hash_final(&desc, digest); err = crypto_hash_final(&desc, digest);
if (unlikely(err)) if (unlikely(err))
......
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