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-Url: https://git.stricted.de/?a=commitdiff_plain;h=d6040764adcb5cb6de1489422411d701c158bb69;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg

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

Cc: <stable@vger.kernel.org>
Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/algapi.c b/crypto/algapi.c
index df939b54b09f..1fad2a6b3bbb 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -356,6 +356,7 @@ 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;