crypto: x86/curve25519 - Remove unused carry variables

The carry variables are assigned but never used, which upsets
the compiler.  This patch removes them.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Karthikeyan Bhargavan <karthik.bhargavan@gmail.com>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/x86/crypto/curve25519-x86_64.c b/arch/x86/crypto/curve25519-x86_64.c
index 8a17621f7d3a352b5be3a80ea0763db61cea533a..8acbb6584a3707b7b42d11ba527c5f7d2c012cd4 100644 (file)
--- a/arch/x86/crypto/curve25519-x86_64.c
+++ b/arch/x86/crypto/curve25519-x86_64.c
@@ -948,10 +948,8 @@ static void store_felem(u64 *b, u64 *f)
 {
        u64 f30 = f[3U];
        u64 top_bit0 = f30 >> (u32)63U;
-       u64 carry0;
        u64 f31;
        u64 top_bit;
-       u64 carry;
        u64 f0;
        u64 f1;
        u64 f2;
@@ -970,11 +968,11 @@ static void store_felem(u64 *b, u64 *f)
        u64 o2;
        u64 o3;
        f[3U] = f30 & (u64)0x7fffffffffffffffU;
-       carry0 = add_scalar(f, f, (u64)19U * top_bit0);
+       add_scalar(f, f, (u64)19U * top_bit0);
        f31 = f[3U];
        top_bit = f31 >> (u32)63U;
        f[3U] = f31 & (u64)0x7fffffffffffffffU;
-       carry = add_scalar(f, f, (u64)19U * top_bit);
+       add_scalar(f, f, (u64)19U * top_bit);
        f0 = f[0U];
        f1 = f[1U];
        f2 = f[2U];