Audit libcrypto for unchecked return values: fix all cases enountered

[openssl.git] / crypto / asn1 / a_sign.c

diff --git a/crypto/asn1/a_sign.c b/crypto/asn1/a_sign.c
index ff63bfc7be9427181a86e8c5c133409d0ceecfaa..d96a622d8314c87e04e0ab14244be7a334b2c93c 100644 (file)
--- a/crypto/asn1/a_sign.c
+++ b/crypto/asn1/a_sign.c
@@ -184,9 +184,9 @@ int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1, X509_ALGOR *algor2,
        p=buf_in;
 
        i2d(data,&p);
-       EVP_SignInit_ex(&ctx,type, NULL);
-       EVP_SignUpdate(&ctx,(unsigned char *)buf_in,inl);
-       if (!EVP_SignFinal(&ctx,(unsigned char *)buf_out,
+       if (!EVP_SignInit_ex(&ctx,type, NULL)
+               || !EVP_SignUpdate(&ctx,(unsigned char *)buf_in,inl)
+               || !EVP_SignFinal(&ctx,(unsigned char *)buf_out,
                        (unsigned int *)&outl,pkey))
                {
                outl=0;
@@ -270,9 +270,9 @@ int ASN1_item_sign(const ASN1_ITEM *it, X509_ALGOR *algor1, X509_ALGOR *algor2,
                goto err;
                }
 
-       EVP_SignInit_ex(&ctx,type, NULL);
-       EVP_SignUpdate(&ctx,(unsigned char *)buf_in,inl);
-       if (!EVP_SignFinal(&ctx,(unsigned char *)buf_out,
+       if (!EVP_SignInit_ex(&ctx,type, NULL)
+               || !EVP_SignUpdate(&ctx,(unsigned char *)buf_in,inl)
+               || !EVP_SignFinal(&ctx,(unsigned char *)buf_out,
                        (unsigned int *)&outl,pkey))
                {
                outl=0;