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authorStephan Mueller <smueller@chronox.de>2014-08-17 17:38:58 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2014-08-25 20:34:10 +0800
commitf072f0e0fe0f3758c7c94bee875564c89fd07d08 (patch)
treeb673a3f2c2c6d150add68867580cb077a31af679 /crypto
parent45943a58df46b912685af26000e4dbacddd9c567 (diff)
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>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/drbg.c6
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);