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authorJens Axboe <axboe@kernel.dk>2013-07-02 08:31:48 +0200
committerJens Axboe <axboe@kernel.dk>2013-07-02 08:31:48 +0200
commit5f0e5afa0de4522abb3ea7d1369039b94e740ec5 (patch)
tree6a5be3db9ecfed8ef2150c6146f6d1e0d658ac8b /drivers/crypto/nx/nx-sha512.c
parentd752b2696072ed52fd5afab08b601e2220a3b87e (diff)
parent9e895ace5d82df8929b16f58e9f515f6d54ab82d (diff)
Merge tag 'v3.10-rc7' into for-3.11/drivers
Linux 3.10-rc7 Pull this in early to avoid doing it with the bcache merge, since there are a number of changes to bcache between my old base (3.10-rc1) and the new pull request.
Diffstat (limited to 'drivers/crypto/nx/nx-sha512.c')
-rw-r--r--drivers/crypto/nx/nx-sha512.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c
index 3177b8c3d5f..08eee112234 100644
--- a/drivers/crypto/nx/nx-sha512.c
+++ b/drivers/crypto/nx/nx-sha512.c
@@ -69,7 +69,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data,
* 1: <= SHA512_BLOCK_SIZE: copy into state, return 0
* 2: > SHA512_BLOCK_SIZE: process X blocks, copy in leftover
*/
- if ((u64)len + sctx->count[0] <= SHA512_BLOCK_SIZE) {
+ if ((u64)len + sctx->count[0] < SHA512_BLOCK_SIZE) {
memcpy(sctx->buf + sctx->count[0], data, len);
sctx->count[0] += len;
goto out;
@@ -110,7 +110,8 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data,
atomic_inc(&(nx_ctx->stats->sha512_ops));
/* copy the leftover back into the state struct */
- memcpy(sctx->buf, data + len - leftover, leftover);
+ if (leftover)
+ memcpy(sctx->buf, data + len - leftover, leftover);
sctx->count[0] = leftover;
spbc_bits = csbcpb->cpb.sha512.spbc * 8;
@@ -168,7 +169,7 @@ static int nx_sha512_final(struct shash_desc *desc, u8 *out)
goto out;
atomic_inc(&(nx_ctx->stats->sha512_ops));
- atomic64_add(csbcpb->cpb.sha512.message_bit_length_lo,
+ atomic64_add(csbcpb->cpb.sha512.message_bit_length_lo / 8,
&(nx_ctx->stats->sha512_bytes));
memcpy(out, csbcpb->cpb.sha512.message_digest, SHA512_DIGEST_SIZE);