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Remove a couple redundant NULL-checks before crypto_cipher_free

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Calling crypto_cipher_free(NULL) is always safe, since (by
convention) all of our xyz_free() functions treat xyz_free(NULL) as
a no-op.

Flagged by coverity scan; fixes CID 508 and 509.
This commit is contained in:
Nick Mathewson 2012-03-30 10:16:58 -04:00
parent 1da5223e89
commit ab3197c059
1 changed files with 2 additions and 2 deletions
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4
src/common/crypto.c
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@ -1055,7 +1055,7 @@ crypto_pk_public_hybrid_encrypt(crypto_pk_t *env,
memset(buf, 0, pkeylen); memset(buf, 0, pkeylen);
tor_free(buf); tor_free(buf);
} }
if (cipher) crypto_cipher_free(cipher); crypto_cipher_free(cipher);
return -1; return -1;
} }
@ -1112,7 +1112,7 @@ crypto_pk_private_hybrid_decrypt(crypto_pk_t *env,
err: err:
memset(buf,0,pkeylen); memset(buf,0,pkeylen);
tor_free(buf); tor_free(buf);
if (cipher) crypto_cipher_free(cipher); crypto_cipher_free(cipher);
return -1; return -1;
} }