Fix possible NULL dereferencial.

Notified by Verdon Walker <VWalker@novell.com>

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index f4112678f8336d25ecb5fd064f64c979ba3bc695..68c7ae7b6e7a0cae75553409bac3e8c7c72f9ee6 100644 (file)
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1073,14 +1073,17 @@ int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
  * preference */
 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
        {
-       if ((s != NULL) && (s->cipher_list != NULL))
-               {
-               return(s->cipher_list);
-               }
-       else if ((s->ctx != NULL) &&
-               (s->ctx->cipher_list != NULL))
+       if (s != NULL)
                {
-               return(s->ctx->cipher_list);
+               if (s->cipher_list != NULL)
+                       {
+                       return(s->cipher_list);
+                       }
+               else if ((s->ctx != NULL) &&
+                       (s->ctx->cipher_list != NULL))
+                       {
+                       return(s->ctx->cipher_list);
+                       }
                }
        return(NULL);
        }
@@ -1089,14 +1092,17 @@ STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
  * algorithm id */
 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
        {
-       if ((s != NULL) && (s->cipher_list_by_id != NULL))
-               {
-               return(s->cipher_list_by_id);
-               }
-       else if ((s != NULL) && (s->ctx != NULL) &&
-               (s->ctx->cipher_list_by_id != NULL))
+       if (s != NULL)
                {
-               return(s->ctx->cipher_list_by_id);
+               if (s->cipher_list_by_id != NULL)
+                       {
+                       return(s->cipher_list_by_id);
+                       }
+               else if ((s->ctx != NULL) &&
+                       (s->ctx->cipher_list_by_id != NULL))
+                       {
+                       return(s->ctx->cipher_list_by_id);
+                       }
                }
        return(NULL);
        }