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console: avoid passing con=NULL to graphic_hw_update_done()

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In graphic_hw_update(), first select an existing console,
a specific-console or active_console(if not specified),
then updating the console.

Signed-off-by: lichun <lichun@ruijie.com.cn>
Message-id: 1604682219-114389-1-git-send-email-lichun@ruijie.com.cn
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
lichun 2020-11-07 01:03:39 +08:00 committed by Gerd Hoffmann
parent a6e037390d
commit 1cd8b94870
1 changed files with 3 additions and 2 deletions
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5
ui/console.c
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@ -270,10 +270,11 @@ void graphic_hw_update_done(QemuConsole *con)
void graphic_hw_update(QemuConsole *con)
{
bool async = false;
con = con ? con : active_console;
if (!con) {
con = active_console;
return;
}
if (con && con->hw_ops->gfx_update) {
if (con->hw_ops->gfx_update) {
con->hw_ops->gfx_update(con->hw);
async = con->hw_ops->gfx_update_async;
}