From: Stephan Mueller <smueller@chronox.de>
Date: Sun, 17 Aug 2014 15:41:38 +0000 (+0200)
Subject: crypto: drbg - remove unnecessary sanity check for shadow state
X-Git-Tag: v3.18-rc1~132^2~23
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84693d87a6d7e84a5183fc871653269880614d92;p=karo-tx-linux.git

crypto: drbg - remove unnecessary sanity check for shadow state

During creation of the DRBG shadow state, it is ensured that the DRBG
state structure is already allocated. Thus, a sanity check for verifying
that the structure is allocated is removed.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/drbg.c b/crypto/drbg.c
index b4938bb4c465..9fd239fea963 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1155,9 +1155,6 @@ static inline int drbg_alloc_state(struct drbg_state *drbg)
 	int ret = -ENOMEM;
 	unsigned int sb_size = 0;
 
-	if (!drbg)
-		return -EINVAL;
-
 	drbg->V = kmalloc(drbg_statelen(drbg), GFP_KERNEL);
 	if (!drbg->V)
 		goto err;