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Message-Id: <1564063106-9552-12-git-send-email-iuliana.prodan@nxp.com>
Date: Thu, 25 Jul 2019 16:58:23 +0300
From: Iuliana Prodan <iuliana.prodan@....com>
To: Herbert Xu <herbert@...dor.apana.org.au>,
Horia Geanta <horia.geanta@....com>,
Aymen Sghaier <aymen.sghaier@....com>
Cc: "David S. Miller" <davem@...emloft.net>,
linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-imx <linux-imx@....com>
Subject: [PATCH v3 11/14] crypto: caam - free resources in case caam_rng registration failed
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@....com>
---
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
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