Fix BIO_f_asn1() to properly report some errors

[openssl.git] / crypto / asn1 / bio_asn1.c

diff --git a/crypto/asn1/bio_asn1.c b/crypto/asn1/bio_asn1.c
index c6eabc0d6162f09708a1d64f56f23763aa274775..f1499425010d3b5c918c4c74affe71eaa4c3d440 100644 (file)
--- a/crypto/asn1/bio_asn1.c
+++ b/crypto/asn1/bio_asn1.c
@@ -172,7 +172,7 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
         case ASN1_STATE_START:
             if (!asn1_bio_setup_ex(b, ctx, ctx->prefix,
                                    ASN1_STATE_PRE_COPY, ASN1_STATE_HEADER))
-                return 0;
+                return -1;
             break;
 
             /* Copy any pre data first */
@@ -189,7 +189,7 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
         case ASN1_STATE_HEADER:
             ctx->buflen = ASN1_object_size(0, inl, ctx->asn1_tag) - inl;
             if (!ossl_assert(ctx->buflen <= ctx->bufsize))
-                return 0;
+                return -1;
             p = ctx->buf;
             ASN1_put_object(&p, 0, inl, ctx->asn1_tag, ctx->asn1_class);
             ctx->copylen = inl;