diff options
Diffstat (limited to 'crypto/drbg.c')
| -rw-r--r-- | crypto/drbg.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index 56c1d7ec3d9e..b69409cb7e6a 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1280,7 +1280,7 @@ static void drbg_restore_shadow(struct drbg_state *drbg, * as defined in SP800-90A. The additional input is mixed into * the state in addition to the pulled entropy. * - * return: generated number of bytes + * return: 0 when all bytes are generated; < 0 in case of an error */ static int drbg_generate(struct drbg_state *drbg, unsigned char *buf, unsigned int buflen, @@ -1419,6 +1419,11 @@ static int drbg_generate(struct drbg_state *drbg, } #endif + /* + * All operations were successful, return 0 as mandated by + * the kernel crypto API interface. + */ + len = 0; err: shadow->d_ops->crypto_fini(shadow); drbg_restore_shadow(drbg, &shadow); |