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

From: Iuliana Prodan
Date: Thu Jul 18 2019 - 10:46:15 EST


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

Fixes: 6e4e603a9 ("crypto: caam - Dynamic memory allocation for caam_rng_ctx object")
Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
---
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