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authorHerbert Xu <herbert@gondor.apana.org.au>2023-03-28 11:35:23 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2023-04-06 16:18:53 +0800
commit67ffd2fff0d40d05aaef9524ce33c8db08bd4cc1 (patch)
tree63869d6e86c64e8cb92adf186efe560d93f39fbd
parent56168d243df2d2faf536baa0c43c733fafdb125f (diff)
downloadlinux-crypto-67ffd2fff0d40d05aaef9524ce33c8db08bd4cc1.tar.gz
linux-crypto-67ffd2fff0d40d05aaef9524ce33c8db08bd4cc1.zip
crypto: drbg - Only fail when jent is unavailable in FIPS mode
When jent initialisation fails for any reason other than ENOENT, the entire drbg fails to initialise, even when we're not in FIPS mode. This is wrong because we can still use the kernel RNG when we're not in FIPS mode. Change it so that it only fails when we are in FIPS mode. Fixes: 023b75dd47bc ("crypto: drbg - Use callback API for random readiness") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Reviewed-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/drbg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 982d4ca4..ff4ebbc6 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1546,7 +1546,7 @@ static int drbg_prepare_hrng(struct drbg_state *drbg)
const int err = PTR_ERR(drbg->jent);
drbg->jent = NULL;
- if (fips_enabled || err != -ENOENT)
+ if (fips_enabled)
return err;
pr_info("DRBG: Continuing without Jitter RNG\n");
}