[Devel] [PATCH RHEL7 COMMIT] ms/crypto: shash - Fix has_key setting

[Konstantin Khorenko]

The commit is pushed to "branch-rh7-3.10.0-327.36.1.vz7.19.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-327.36.1.vz7.19.3
------>
commit 8f82a433da55717f28a247024fc32316e4de538e
Author: Herbert Xu <herbert at gondor.apana.org.au>
Date:   Mon Oct 24 16:34:05 2016 +0400

    ms/crypto: shash - Fix has_key setting
    
    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 at vger.kernel.org
    Reported-by: Stephan Mueller <smueller at chronox.de>
    Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
    Tested-by: Stephan Mueller <smueller at chronox.de>
    (cherry picked from commit 00420a65fa2beb3206090ead86942484df2275f3)
    Signed-off-by: Andrey Ryabinin <aryabinin at virtuozzo.com>
---
 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)