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authorStephan Mueller <smueller@chronox.de>2014-08-17 17:38:29 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2014-08-25 20:34:09 +0800
commit45943a58df46b912685af26000e4dbacddd9c567 (patch)
treeaab609057b65af3ce214081d5e9ec0d6c23cecb7 /crypto/drbg.c
parent46f64f6ef978dc1f36ebaa50ed79c7c8386711ee (diff)
downloadlinux-45943a58df46b912685af26000e4dbacddd9c567.tar.bz2
crypto: drbg - remove superflowous checks
The crypto_init and crypto_fini functions are always implemented. Thus, there is no need for a protecting check. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/drbg.c')
-rw-r--r--crypto/drbg.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 910e18831916..212d260220e3 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1381,11 +1381,9 @@ static int drbg_generate(struct drbg_state *drbg,
shadow->seeded = false;
/* allocate cipher handle */
- if (shadow->d_ops->crypto_init) {
- len = shadow->d_ops->crypto_init(shadow);
- if (len)
- goto err;
- }
+ len = shadow->d_ops->crypto_init(shadow);
+ if (len)
+ goto err;
if (shadow->pr || !shadow->seeded) {
pr_devel("DRBG: reseeding before generation (prediction "
@@ -1467,8 +1465,7 @@ static int drbg_generate(struct drbg_state *drbg,
#endif
err:
- if (shadow->d_ops->crypto_fini)
- shadow->d_ops->crypto_fini(shadow);
+ shadow->d_ops->crypto_fini(shadow);
drbg_restore_shadow(drbg, &shadow);
return len;
}
@@ -1562,11 +1559,10 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers,
return ret;
ret = -EFAULT;
- if (drbg->d_ops->crypto_init && drbg->d_ops->crypto_init(drbg))
+ if (drbg->d_ops->crypto_init(drbg))
goto err;
ret = drbg_seed(drbg, pers, false);
- if (drbg->d_ops->crypto_fini)
- drbg->d_ops->crypto_fini(drbg);
+ drbg->d_ops->crypto_fini(drbg);
if (ret)
goto err;