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authorStephan Mueller <smueller@chronox.de>2014-08-17 19:40:20 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2014-08-25 16:34:11 +0400
commitbc034ef5573ef4d81daa666c02a3df1ad28e24a7 (patch)
tree2142828f07080e50456af40949aba98a617a552f
parente6c0244ad38a358598392638688b1dcac7878f66 (diff)
downloadlinux-bc034ef5573ef4d81daa666c02a3df1ad28e24a7.tar.xz
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: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/drbg.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c
index ebe0afc4e94b..701575734420 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;