Am Donnerstag, 30. April 2020, 10:13:53 CEST schrieb Wei Yongjun:
Hi Wei,
> Fix to return negative error code -ENOMEM from the kzalloc error handling
> case instead of 0, as done elsewhere in this function.
>
> Fixes: db07cd26ac6a ("crypto: drbg - add FIPS 140-2 CTRNG for noise source")
> Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
> ---
> crypto/drbg.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/crypto/drbg.c b/crypto/drbg.c
> index e57901d8545b..37526eb8c5d5 100644
> --- a/crypto/drbg.c
> +++ b/crypto/drbg.c
> @@ -1306,8 +1306,10 @@ static inline int drbg_alloc_state(struct drbg_state
> *drbg) if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
> drbg->prev = kzalloc(drbg_sec_strength(drbg->core->flags),
> GFP_KERNEL);
> - if (!drbg->prev)
> + if (!drbg->prev) {
> + ret = -ENOMEM;
> goto fini;
> + }
> drbg->fips_primed = false;
> }
Thank you
Reviewed-by: Stephan Mueller <smuel...@chronox.de>
Ciao
Stephan
