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crypto: sun4i-ss - simplify the appended bit assignment 

A bit is appended at the end of the input buffer for sha1. Simplify the
code assigning it.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Ténart 2017-06-01 21:38:59 +02:00 committed by Herbert Xu
parent 214a9bd0f8
commit 303391d69b
1 changed files with 2 additions and 6 deletions
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8
drivers/crypto/sunxi-ss/sun4i-ss-hash.c
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@ -392,12 +392,8 @@ hash_final:
}
/* write the remaining bytes of the nbw buffer */
if (nbw) {
wb |= ((1 << 7) << (nbw * 8));
bf[j++] = wb;
} else {
bf[j++] = 1 << 7;
}
wb |= ((1 << 7) << (nbw * 8));
bf[j++] = wb;
/*
* number of space to pad to obtain 64o minus 8(size) minus 4 (final 1)