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path: root/drivers/crypto/caam/caamhash.c
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Diffstat (limited to 'drivers/crypto/caam/caamhash.c')
-rw-r--r--drivers/crypto/caam/caamhash.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index e732bd962e9..ca6218eee46 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);