From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Gerd Hoffmann" <kraxel@redhat.com>
Subject: [PULL 1/1] qxl: fix segfault
Date: Fri, 27 Nov 2020 08:07:10 +0100 [thread overview]
Message-ID: <20201127070710.8851-2-kraxel@redhat.com> (raw)
In-Reply-To: <20201127070710.8851-1-kraxel@redhat.com>
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
---
ui/console.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ui/console.c b/ui/console.c
index e07d2c380df7..53dee8e26b17 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)
--
2.27.0
next prev parent reply other threads:[~2020-11-27 7:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-27 7:07 [PULL 0/1] Fixes 20201127 patches Gerd Hoffmann
2020-11-27 7:07 ` Gerd Hoffmann [this message]
2020-11-27 12:45 ` Peter Maydell
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