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crypto: caam - free resources in case caam_rng registration failed

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[ Upstream commit c59a1d4167 ]

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

Fixes: e24f7c9e87 ("crypto: caam - hwrng support")
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Iuliana Prodan
2019-07-31 16:08:12 +03:00
committed by Greg Kroah-Hartman
parent 88f089d7f5
commit e21a1c26c1
1 changed files with 4 additions and 1 deletions
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5
drivers/crypto/caam/caamrng.c
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@@ -353,7 +353,10 @@ static int __init caam_rng_init(void)
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);