The drbg_make_shadow function contains sanity checks which are not
needed as the function is invoked at times where it is ensured that the
checked-for variables are available.
Signed-off-by: Stephan Mueller <smuel...@chronox.de>
---
crypto/drbg.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 997c510..f74859d 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1263,15 +1263,6 @@ static int drbg_make_shadow(struct drbg_state *drbg,
struct drbg_state **shadow)
int ret = -ENOMEM;
struct drbg_state *tmp = NULL;
- if (!drbg || !drbg->core || !drbg->V || !drbg->C) {
- pr_devel("DRBG: attempt to generate shadow copy for "
- "uninitialized DRBG state rejected\n");
- return -EINVAL;
- }
- /* HMAC does not have a scratchpad */
- if (!(drbg->core->flags & DRBG_HMAC) && NULL == drbg->scratchpad)
- return -EINVAL;
-
tmp = kzalloc(sizeof(struct drbg_state), GFP_KERNEL);
if (!tmp)
return -ENOMEM;
--
1.9.3
--
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