[PATCH v2 07/12] crypto: sun4i-ss: simplify the appended bit assignment

Antoine Tenart
2017-05-29T20:27:33Z

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>
---
drivers/crypto/sunxi-ss/sun4i-ss-hash.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
index 59d9b4412aca..0c2efc88bc0a 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
@@ -392,12 +392,8 @@ static int sun4i_hash(struct ahash_request *areq)
}

/* 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)
--
2.9.4