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ui: return NULL when getting cursor without a console 

VNC may try to get the current cursor even when there are no consoles
and crashes. Simple reproducer is qemu with -nodefaults.

Fixes: (again)
https://gitlab.com/qemu-project/qemu/-/issues/1548

Fixes: commit 385ac97f8 ("ui: keep current cursor with QemuConsole")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230428154807.2143652-1-marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2023-03-19 15:10:17 +04:00
parent 4329d049d5
commit 333e7599a0
1 changed files with 1 additions and 1 deletions
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2
ui/console.c
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@ -2306,7 +2306,7 @@ QEMUCursor *qemu_console_get_cursor(QemuConsole *con)
if (con == NULL) {
con = active_console;
}
return con->cursor;
return con ? con->cursor : NULL;
}
bool qemu_console_is_visible(QemuConsole *con)