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| author | Iuliana Prodan <iuliana.prodan@nxp.com> | 2019-07-31 16:08:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 16:46:42 +0300 |
| commit | 5ea904f9954ee9072114a8d52c951b13bb8ed7bd (patch) | |
| tree | f466922e6d33c5781afe4dd4e9f4755df1480aab /drivers/crypto/caam | |
| parent | f996f9ee615bebddcab67e4ebaeb5ce56956d256 (diff) | |
| download | linux-5ea904f9954ee9072114a8d52c951b13bb8ed7bd.tar.xz | |
crypto: caam - free resources in case caam_rng registration failed
[ Upstream commit c59a1d41672a89b5cac49db1a472ff889e35a2d2 ]
Check the return value of the hardware registration for caam_rng and free
resources in case of failure.
Fixes: e24f7c9e87d4 ("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>
Diffstat (limited to 'drivers/crypto/caam')
| -rw-r--r-- | drivers/crypto/caam/caamrng.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index fde07d4ff019..ff6718a11e9e 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -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); |