If cryptd_alloc_instance() fails, the return value is uninitialized.
This patch fixes this by setting the return value.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
                return PTR_ERR(alg);
 
        inst = cryptd_alloc_instance(alg, 0, sizeof(*ctx));
+       err = PTR_ERR(inst);
        if (IS_ERR(inst))
                goto out_put_alg;
 
        alg = &salg->base;
        inst = cryptd_alloc_instance(alg, ahash_instance_headroom(),
                                     sizeof(*ctx));
+       err = PTR_ERR(inst);
        if (IS_ERR(inst))
                goto out_put_alg;