tree_print: check for NULL after allocating err

Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Matt Caswell <matt@openssl.org>

diff --git a/crypto/x509v3/pcy_tree.c b/crypto/x509v3/pcy_tree.c
index 47b1bf8f27163d5ce3aa279804d9da1755f14fb2..93470c3db03d09addcd47a8d5b6bd1efc4aecb2b 100644 (file)
--- a/crypto/x509v3/pcy_tree.c
+++ b/crypto/x509v3/pcy_tree.c
@@ -101,6 +101,8 @@ static void tree_print(char *str, X509_POLICY_TREE *tree,
        int i;
        BIO *err;
        err = BIO_new_fp(stderr, BIO_NOCLOSE);
+       if (err == NULL)
+               return;
        if (!curr)
                curr = tree->levels + tree->nlevel;
        else