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 df939b5..1fad2a6 100644 (file)
--- 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;