crypto: drbg - remove superflowous memset(0)

Remove memset(0) which is not needed due to the kzalloc of the memory.

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

1 files changed, 2 insertions, 4 deletions

diff --git a/crypto/drbg.c b/crypto/drbg.c
index 212d260220e3..86cffc600acd 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -728,11 +728,9 @@ static int drbg_hmac_update(struct drbg_state *drbg, struct list_head *seed,
         LIST_HEAD(seedlist);
         LIST_HEAD(vdatalist);
 
-        if (!reseed) {
-                /* 10.1.2.3 step 2 */
-                memset(drbg->C, 0, drbg_statelen(drbg));
+        if (!reseed)
+                /* 10.1.2.3 step 2 -- memset(0) of C is implicit with kzalloc */
                 memset(drbg->V, 1, drbg_statelen(drbg));
-        }
 
         drbg_string_fill(&seed1, drbg->V, drbg_statelen(drbg));
         list_add_tail(&seed1.list, &seedlist);