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authorEric Biggers <ebiggers@google.com>2019-06-02 22:47:14 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2019-06-13 14:31:40 +0800
commit860ab2e50204c41e713c54c752617d2da57f0fd7 (patch)
tree925afd2b64bb253f4963c9b6154ffb3306870824 /arch/arm/crypto
parent76cadf2244518d3b1610082d037b01e2651ea402 (diff)
crypto: chacha - constify ctx and iv arguments
Constify the ctx and iv arguments to crypto_chacha_init() and the various chacha*_stream_xor() functions. This makes it clear that they are not modified. Signed-off-by: Eric Biggers <ebiggers@google.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm/crypto')
-rw-r--r--arch/arm/crypto/chacha-neon-glue.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/crypto/chacha-neon-glue.c b/arch/arm/crypto/chacha-neon-glue.c
index 48a89537b828..a8e9b534c8da 100644
--- a/arch/arm/crypto/chacha-neon-glue.c
+++ b/arch/arm/crypto/chacha-neon-glue.c
@@ -63,7 +63,7 @@ static void chacha_doneon(u32 *state, u8 *dst, const u8 *src,
}
static int chacha_neon_stream_xor(struct skcipher_request *req,
- struct chacha_ctx *ctx, u8 *iv)
+ const struct chacha_ctx *ctx, const u8 *iv)
{
struct skcipher_walk walk;
u32 state[16];