Rewrite the bitwise operations to silence the sparse warnings:
CHECK ../crypto/ecc.c
../crypto/ecc.c:1387:39: warning: dubious: !x | y
../crypto/ecc.c:1397:47: warning: dubious: !x | y
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/ecc.c b/crypto/ecc.c
index 7315217c8f73..f53fb4d6af99 100644
--- a/crypto/ecc.c
+++ b/crypto/ecc.c
@@ -1384,7 +1384,8 @@ void ecc_point_mult_shamir(const struct ecc_point *result,
num_bits = max(vli_num_bits(u1, ndigits), vli_num_bits(u2, ndigits));
i = num_bits - 1;
- idx = (!!vli_test_bit(u1, i)) | ((!!vli_test_bit(u2, i)) << 1);
+ idx = !!vli_test_bit(u1, i);
+ idx |= (!!vli_test_bit(u2, i)) << 1;
point = points[idx];
vli_set(rx, point->x, ndigits);
@@ -1394,7 +1395,8 @@ void ecc_point_mult_shamir(const struct ecc_point *result,
for (--i; i >= 0; i--) {
ecc_point_double_jacobian(rx, ry, z, curve);
- idx = (!!vli_test_bit(u1, i)) | ((!!vli_test_bit(u2, i)) << 1);
+ idx = !!vli_test_bit(u1, i);
+ idx |= (!!vli_test_bit(u2, i)) << 1;
point = points[idx];
if (point) {
u64 tx[ECC_MAX_DIGITS];
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
