Add error handling in dsa_main and ASN1_i2d_bio.

[openssl.git] / crypto / asn1 / a_i2d_fp.c

diff --git a/crypto/asn1/a_i2d_fp.c b/crypto/asn1/a_i2d_fp.c
index c3ed991b79435c8c0a6f14366aa3abea2b047167..980c65a25d2daa9638328a78c2653efda20e0fc9 100644 (file)
--- a/crypto/asn1/a_i2d_fp.c
+++ b/crypto/asn1/a_i2d_fp.c
@@ -38,6 +38,9 @@ int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
     int i, j = 0, n, ret = 1;
 
     n = i2d(x, NULL);
+    if (n <= 0)
+        return 0;
+
     b = OPENSSL_malloc(n);
     if (b == NULL) {
         ASN1err(ASN1_F_ASN1_I2D_BIO, ERR_R_MALLOC_FAILURE);