Commit bc034ef5 authored by Stephan Mueller's avatar Stephan Mueller Committed by Herbert Xu

crypto: drbg - remove unnecessary sanity checks

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: default avatarStephan Mueller <>
Signed-off-by: default avatarHerbert Xu <>
parent e6c0244a
......@@ -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;
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