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ui/gtk: fix crash at startup when no console is available

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This patch fixes a segfault at QEMU startup, introduced in a08156321a.
gd_vc_find_current() return NULL, which is dereferenced without checking it.

While at it, disable the whole 'View' menu if no console exists.

Reproducer: qemu-system-i386 -M none -nodefaults

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1483263585-8101-1-git-send-email-hpoussin@reactos.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hervé Poussineau 2017-01-01 10:39:45 +01:00 committed by Gerd Hoffmann
parent e92fbc753d
commit 3d4da9d6f3
1 changed files with 5 additions and 1 deletions
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6
ui/gtk.c
View File

@ -2171,6 +2171,8 @@ static gboolean gtkinit;
void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
{
VirtualConsole *vc;
GtkDisplayState *s = g_malloc0(sizeof(*s));
char *filename;
GdkDisplay *window_display;
@ -2249,9 +2251,11 @@ void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
}
#endif
vc = gd_vc_find_current(s);
gtk_widget_set_sensitive(s->view_menu, vc != NULL);
#ifdef CONFIG_VTE
gtk_widget_set_sensitive(s->copy_item,
gd_vc_find_current(s)->type == GD_VC_VTE);
vc && vc->type == GD_VC_VTE);
#endif
if (full_screen) {