From: Salvatore Benedetto <salvatore.benedetto@intel.com>
Date: Fri, 13 Jan 2017 11:54:08 +0000 (+0000)
Subject: crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg
X-Git-Tag: v3.12.71~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=913feded8b0f55cf183eaffba3eb15d7dd179749;p=thirdparty%2Fkernel%2Fstable.git

crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg

commit d6040764adcb5cb6de1489422411d701c158bb69 upstream.

Make sure CRYPTO_ALG_DEAD bit is cleared before proceeding with
the algorithm registration. This fixes qat-dh registration when
driver is restarted

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---

diff --git a/crypto/algapi.c b/crypto/algapi.c
index daf2f653b131b..8ea7a5dc38398 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -337,6 +337,7 @@ int crypto_register_alg(struct crypto_alg *alg)
 	struct crypto_larval *larval;
 	int err;
 
+	alg->cra_flags &= ~CRYPTO_ALG_DEAD;
 	err = crypto_check_alg(alg);
 	if (err)
 		return err;