Check sk_SSL_CIPHER_num() after assigning sk.

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 0a7e2aad2dc0e444fa86395cb9d30d4d5d4b5a53..00b26ba429f89e8f568a75f7c6e517ed73071c7b 100644 (file)
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1467,11 +1467,12 @@ char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
                (len < 2))
                return(NULL);
 
+       p=buf;
+       sk=s->session->ciphers;
+
        if (sk_SSL_CIPHER_num(sk) == 0)
                return NULL;
 
-       p=buf;
-       sk=s->session->ciphers;
        for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
                {
                int n;