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crypto: caam - fix addressing of struct member 

buf_0 and buf_1 in caam_hash_state are not next to each other.
Accessing buf_1 is incorrect from &buf_0 with an offset of only
size_of(buf_0). The same issue is also with buflen_0 and buflen_1

Cc: <stable@vger.kernel.org> # 3.13+
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Cristian Stoica 2014-08-14 13:51:57 +03:00 committed by Herbert Xu
parent 307fd543f3
commit 4451d494b1
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/caam/caamhash.c
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@ -1417,9 +1417,9 @@ static int ahash_update_first(struct ahash_request *req)
struct device *jrdev = ctx->jrdev;
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
u8 *next_buf = state->buf_0 + state->current_buf *
CAAM_MAX_HASH_BLOCK_SIZE;
int *next_buflen = &state->buflen_0 + state->current_buf;
u8 *next_buf = state->current_buf ? state->buf_1 : state->buf_0;
int *next_buflen = state->current_buf ?
&state->buflen_1 : &state->buflen_0;
int to_hash;
u32 *sh_desc = ctx->sh_desc_update_first, *desc;
dma_addr_t ptr = ctx->sh_desc_update_first_dma;