diff options
Diffstat (limited to 'drivers/crypto/caam/caamrng.c')
| -rw-r--r-- | drivers/crypto/caam/caamrng.c | 7 |
1 files changed, 7 insertions, 0 deletions
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"); |