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authorGerd Hoffmann <kraxel@redhat.com>2020-11-24 13:29:36 +0100
committerGerd Hoffmann <kraxel@redhat.com>2020-11-25 12:33:21 +0100
commit6fc5183a65b59d43441296cd2f72f8e55dc5dd04 (patch)
treea47e330c656b6dc3915ac9dcc024c6f28714165b /ui/console.c
parentdd3d2340c4076d1735cd0f7cb61f4d8622b9562d (diff)
downloadfocaccia-qemu-6fc5183a65b59d43441296cd2f72f8e55dc5dd04.tar.gz
focaccia-qemu-6fc5183a65b59d43441296cd2f72f8e55dc5dd04.zip
qxl: fix segfault
Add missing sanity check.
Reproducer: run qemu with "-device qxl" but without "-spice ..."

Fixes: 0d9b90ce5c73 ("console: make QMP/HMP screendump run in coroutine")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20201124122936.30588-1-kraxel@redhat.com
Diffstat (limited to 'ui/console.c')
-rw-r--r--ui/console.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/ui/console.c b/ui/console.c
index e07d2c380d..53dee8e26b 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -264,7 +264,9 @@ static void gui_setup_refresh(DisplayState *ds)
 
 void graphic_hw_update_done(QemuConsole *con)
 {
-    qemu_co_queue_restart_all(&con->dump_queue);
+    if (con) {
+        qemu_co_queue_restart_all(&con->dump_queue);
+    }
 }
 
 void graphic_hw_update(QemuConsole *con)