[libsoup] http2: Fix possible null-deref

[Patrick Griffis <pgriffis src gnome org>]

commit 9c3c1397bf15d0aba65db386fa94c02e9b78e721
Author: Patrick Griffis <pgriffis igalia com>
Date:   Wed May 19 20:08:35 2021 -0500

    http2: Fix possible null-deref

 libsoup/http2/soup-client-message-io-http2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libsoup/http2/soup-client-message-io-http2.c b/libsoup/http2/soup-client-message-io-http2.c
index 74b4c31b..0b09ee14 100644
--- a/libsoup/http2/soup-client-message-io-http2.c
+++ b/libsoup/http2/soup-client-message-io-http2.c
@@ -963,7 +963,7 @@ soup_client_message_io_http2_in_progress (SoupClientMessageIO *iface,
 {
         SoupClientMessageIOHTTP2 *io = (SoupClientMessageIOHTTP2 *)iface;
 
-        return get_data_for_message (io, msg) != NULL;
+        return io && get_data_for_message (io, msg) != NULL;
 }
 
 static gboolean