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crypto: omap-sham - FLAGS_FIRST is redundant and removed

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bufcnt is 0 if it was no update requests before,
which is exact meaning of FLAGS_FIRST.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dmitry Kasatkin 2010-11-19 16:04:28 +02:00 • committed by Herbert Xu
parent 3c8d758ab5
commit a55b290b0e
1 changed files with 1 additions and 7 deletions
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8
drivers/crypto/omap-sham.c
View file

@ -72,7 +72,6 @@
#define DEFAULT_TIMEOUT_INTERVAL HZ #define DEFAULT_TIMEOUT_INTERVAL HZ
#define FLAGS_FIRST 0x0001
#define FLAGS_FINUP 0x0002 #define FLAGS_FINUP 0x0002
#define FLAGS_FINAL 0x0004 #define FLAGS_FINAL 0x0004
#define FLAGS_FAST 0x0008 #define FLAGS_FAST 0x0008
@ -513,8 +512,6 @@ static int omap_sham_init(struct ahash_request *req)
ctx->flags = 0; ctx->flags = 0;
ctx->flags |= FLAGS_FIRST;
dev_dbg(dd->dev, "init: digest size: %d\n", dev_dbg(dd->dev, "init: digest size: %d\n",
crypto_ahash_digestsize(tfm)); crypto_ahash_digestsize(tfm));
@ -739,12 +736,9 @@ static int omap_sham_update(struct ahash_request *req)
/* may be can use faster functions */ /* may be can use faster functions */
int aligned = IS_ALIGNED((u32)ctx->sg->offset, int aligned = IS_ALIGNED((u32)ctx->sg->offset,
sizeof(u32)); sizeof(u32));
if (aligned)
if (aligned && (ctx->flags & FLAGS_FIRST))
/* digest: first and final */ /* digest: first and final */
ctx->flags |= FLAGS_FAST; ctx->flags |= FLAGS_FAST;
ctx->flags &= ~FLAGS_FIRST;
} }
} else if (ctx->bufcnt + ctx->total <= ctx->buflen) { } else if (ctx->bufcnt + ctx->total <= ctx->buflen) {
/* if not finaup -> not fast */ /* if not finaup -> not fast */