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>
mariux64 · Jun 19, 2017 · 303391d · 303391d
1 parent 214a9bd
commit 303391d
Showing 1 changed file with 2 additions and 6 deletions.
diff --git 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)