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@xxxxxxxxxx>
---
crypto/drbg.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 8a95ca8..89d732b 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;
--
1.9.3
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