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 b4938bb..9fd239f 100644 (file)
--- 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;