diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 7c63b72ecd75..86a0d415b9a7 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -2209,6 +2209,13 @@ static int __init caam_algapi_init(void) priv = dev_get_drvdata(ctrldev); of_node_put(dev_node); + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + INIT_LIST_HEAD(&priv->alg_list); atomic_set(&priv->tfm_count, -1); diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index e732bd962e98..ca6218eee460 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -1833,6 +1833,13 @@ static int __init caam_algapi_hash_init(void) priv = dev_get_drvdata(ctrldev); of_node_put(dev_node); + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + INIT_LIST_HEAD(&priv->hash_list); atomic_set(&priv->tfm_count, -1); diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index d1939a9539c0..588ad2288f82 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -298,6 +298,13 @@ static int __init caam_rng_init(void) priv = dev_get_drvdata(ctrldev); of_node_put(dev_node); + /* + * If priv is NULL, it's probably because the caam driver wasn't + * properly initialized (e.g. RNG4 init failed). Thus, bail out here. + */ + if (!priv) + return -ENODEV; + caam_init_rng(&rng_ctx, priv->jrdev[0]); dev_info(priv->jrdev[0], "registering rng-caam\n");