author: Eric Biggers <ebiggers@google.com> 2021-03-21 22:07:48 -0700
committer: Herbert Xu <herbert@gondor.apana.org.au> 2021-04-02 18:28:12 +1100
commit: 30d0f6a956fc74bb2e948398daf3278c6b08c7e9
parent: 10cb823bbacd2626cca8d89a7dba175c3ae5cf07
Commit Summary:
Diffstat:
1 file changed, 3 insertions, 7 deletions
diff --git a/crypto/rng.c b/crypto/rng.c
index a888d84b524a..fea082b25fe4 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -34,22 +34,18 @@ int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen)
u8 *buf = NULL;
int err;
- crypto_stats_get(alg);
if (!seed && slen) {
buf = kmalloc(slen, GFP_KERNEL);
- if (!buf) {
- crypto_alg_put(alg);
+ if (!buf)
return -ENOMEM;
- }
err = get_random_bytes_wait(buf, slen);
- if (err) {
- crypto_alg_put(alg);
+ if (err)
goto out;
- }
seed = buf;
}
+ crypto_stats_get(alg);
err = crypto_rng_alg(tfm)->seed(tfm, seed, slen);
crypto_stats_rng_seed(alg, err);
out: