[libsoup] session: never try to reuse a connection in IN_USE state in http/1.x

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 180069c57977f86e06d16ea453488158fea5b793
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Sat May 22 18:57:12 2021 +0200

    session: never try to reuse a connection in IN_USE state in http/1.x

 libsoup/soup-session.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/libsoup/soup-session.c b/libsoup/soup-session.c
index 32d3ec04..68d7a026 100644
--- a/libsoup/soup-session.c
+++ b/libsoup/soup-session.c
@@ -1794,16 +1794,18 @@ get_connection_for_host (SoupSession *session,
                 force_http1 = TRUE;
 
        for (conns = host->connections; conns; conns = conns->next) {
+                SoupHTTPVersion http_version;
+
                conn = conns->data;
 
-                if (force_http1 && soup_connection_get_negotiated_protocol (conn) > SOUP_HTTP_1_1)
+                http_version = soup_connection_get_negotiated_protocol (conn);
+                if (force_http1 && http_version > SOUP_HTTP_1_1)
                         continue;
 
                switch (soup_connection_get_state (conn)) {
                 case SOUP_CONNECTION_IN_USE:
-                        if (!need_new_connection && soup_connection_is_reusable (conn)) {
+                        if (!need_new_connection && http_version == SOUP_HTTP_2_0 && 
soup_connection_is_reusable (conn))
                                 return conn;
-                        }
                         break;
                case SOUP_CONNECTION_IDLE:
                        if (!need_new_connection && soup_connection_is_idle_open (conn))