Fix some Coverity warnings
Check some return values on some functions.
@@ -92,7 +92,8 @@ static int rc2_meth_to_magic(EVP_CIPHER_CTX *e)
{
int i;
- EVP_CIPHER_CTX_ctrl(e, EVP_CTRL_GET_RC2_KEY_BITS, 0, &i);
+ if (EVP_CIPHER_CTX_ctrl(e, EVP_CTRL_GET_RC2_KEY_BITS, 0, &i) <= 0)
+ return 0;
if (i == 128)
return RC2_128_MAGIC;
else if (i == 64)
@@ -136,8 +137,9 @@ static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
return -1;
if (i > 0 && !EVP_CipherInit_ex(c, NULL, NULL, NULL, iv, -1))
return -1;
- EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, key_bits, NULL);
- if (EVP_CIPHER_CTX_set_key_length(c, key_bits / 8) <= 0)
+ if (EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, key_bits,
+ NULL) <= 0
+ || EVP_CIPHER_CTX_set_key_length(c, key_bits / 8) <= 0)
return -1;
}
return i;
