diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/ansi_cprng.c | 6 | ||||
| -rw-r--r-- | crypto/drbg.c | 7 |
2 files changed, 11 insertions, 2 deletions
diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c index 6f5bebc9bf01..765fe7609348 100644 --- a/crypto/ansi_cprng.c +++ b/crypto/ansi_cprng.c @@ -210,7 +210,11 @@ static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx, byte_count = DEFAULT_BLK_SZ; } - err = byte_count; + /* + * Return 0 in case of success as mandated by the kernel + * crypto API interface definition. + */ + err = 0; dbgprint(KERN_CRIT "getting %d random bytes for context %p\n", byte_count, ctx); 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); |