Attempt to fix server problems receiving large https POSTS.

Without this change the pending list ends up having
wsi->pending_read_list_next == wsi, which causes a loop in
lws_plat_unix().

diff --git a/lib/ssl.c b/lib/ssl.c
index cd7fa99..6f994d7 100644 (file)
--- a/lib/ssl.c
+++ b/lib/ssl.c
@@ -444,12 +444,14 @@ lws_ssl_capable_read(struct libwebsocket_context *context,
                 */
                if (n == len && wsi->ssl && SSL_pending(wsi->ssl)) {
                        if (!wsi->pending_read_list_next && !wsi->pending_read_list_prev) {
-                               /* add us to the linked list of guys with pending ssl */
-                               if (context->pending_read_list)
-                                       context->pending_read_list->pending_read_list_prev = wsi;
-                               wsi->pending_read_list_next = context->pending_read_list;
-                               wsi->pending_read_list_prev = NULL;
-                               context->pending_read_list = wsi;
+                               if (context->pending_read_list != wsi) {
+                                       /* add us to the linked list of guys with pending ssl */
+                                       if (context->pending_read_list)
+                                               context->pending_read_list->pending_read_list_prev = wsi;
+                                       wsi->pending_read_list_next = context->pending_read_list;
+                                       wsi->pending_read_list_prev = NULL;
+                                       context->pending_read_list = wsi;
+                               }
                        }
                } else
                        lws_ssl_remove_wsi_from_buffered_list(context, wsi);