[PATCH v3 11/14] crypto: caam - free resources in case caam_rng registration failed

[Iuliana Prodan]

Check the return value of the hardware registration for caam_rng and free
resources in case of failure.

Fixes: e24f7c9 ("crypto: caam - hwrng support")
Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
---
Changes since v2:
- update Fixes tag.
---
 drivers/crypto/caam/caamrng.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c
index 561bcb5..54c32d5 100644
--- a/drivers/crypto/caam/caamrng.c
+++ b/drivers/crypto/caam/caamrng.c
@@ -333,7 +333,10 @@ int caam_rng_init(struct device *ctrldev)
 		goto free_rng_ctx;
 
 	dev_info(dev, "registering rng-caam\n");
-	return hwrng_register(&caam_rng);
+
+	err = hwrng_register(&caam_rng);
+	if (!err)
+		return err;
 
 free_rng_ctx:
 	kfree(rng_ctx);
-- 
2.1.0