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authorEric Biggers <ebiggers@google.com>2018-11-16 17:26:19 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2018-11-20 14:26:55 +0800
commit5e04542a0e0763294e9fced73a149c38c4e0cee5 (patch)
treee3e8e27f525ffe09547455ee341571ac9be986ce /crypto
parentdd333449d0fb667c5250c42488a7e90470e16c77 (diff)
downloadlinux-5e04542a0e0763294e9fced73a149c38c4e0cee5.tar.bz2
crypto: chacha20-generic - don't unnecessarily use atomic walk
chacha20-generic doesn't use SIMD instructions or otherwise disable preemption, so passing atomic=true to skcipher_walk_virt() is unnecessary. Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Martin Willi <martin@strongswan.org> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/chacha20_generic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/chacha20_generic.c b/crypto/chacha20_generic.c
index 3ae96587caf9..3529521d72a4 100644
--- a/crypto/chacha20_generic.c
+++ b/crypto/chacha20_generic.c
@@ -81,7 +81,7 @@ int crypto_chacha20_crypt(struct skcipher_request *req)
u32 state[16];
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
crypto_chacha20_init(state, ctx, walk.iv);