[PATCH 3.10 008/319] crypto: shash - Fix has_key setting

From: Willy Tarreau
Date: Sun Feb 05 2017 - 14:16:31 EST


From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

commit 00420a65fa2beb3206090ead86942484df2275f3 upstream.

The has_key logic is wrong for shash algorithms as they always
have a setkey function. So we should instead be testing against
shash_no_setkey.

Fixes: a5596d633278 ("crypto: hash - Add crypto_ahash_has_setkey")
Cc: stable@xxxxxxxxxxxxxxx
Reported-by: Stephan Mueller <smueller@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Tested-by: Stephan Mueller <smueller@xxxxxxxxxx>
Signed-off-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
crypto/shash.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/crypto/shash.c b/crypto/shash.c
index 8e4256a..ac4d763 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -353,11 +353,10 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
crt->final = shash_async_final;
crt->finup = shash_async_finup;
crt->digest = shash_async_digest;
+ crt->setkey = shash_async_setkey;
+
+ crt->has_setkey = alg->setkey != shash_no_setkey;

- if (alg->setkey) {
- crt->setkey = shash_async_setkey;
- crt->has_setkey = true;
- }
if (alg->export)
crt->export = shash_async_export;
if (alg->import)
--
2.8.0.rc2.1.gbe9624a