From: Daniel Vetter daniel.vetter@ffwll.ch
stable inclusion from stable-v5.10.121 commit 59dd1a07eecfde63cfdbacfca965292ad7d3601b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 43553559121ca90965b572cf8a1d6d0fd618b449 ]
This shouldn't be a problem in practice since until we've actually taken over the console there's nothing we've registered with the console/vt subsystem, so the exit/unbind path that check this can't do the wrong thing. But it's confusing, so fix it by moving it a tad later.
Acked-by: Sam Ravnborg sam@ravnborg.org Signed-off-by: Daniel Vetter daniel.vetter@intel.com Cc: Daniel Vetter daniel@ffwll.ch Cc: Du Cheng ducheng2@gmail.com Cc: Tetsuo Handa penguin-kernel@I-love.SAKURA.ne.jp Cc: Claudio Suarez cssk@net-c.es Cc: Thomas Zimmermann tzimmermann@suse.de Link: https://patchwork.freedesktop.org/patch/msgid/20220405210335.3434130-14-dani... Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/video/fbdev/core/fbcon.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index b4260a830e78..76fedfd1b1b0 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -3333,6 +3333,9 @@ static void fbcon_register_existing_fbs(struct work_struct *work)
console_lock();
+ deferred_takeover = false; + logo_shown = FBCON_LOGO_DONTSHOW; + for_each_registered_fb(i) fbcon_fb_registered(registered_fb[i]);
@@ -3350,8 +3353,6 @@ static int fbcon_output_notifier(struct notifier_block *nb, pr_info("fbcon: Taking over console\n");
dummycon_unregister_output_notifier(&fbcon_output_nb); - deferred_takeover = false; - logo_shown = FBCON_LOGO_DONTSHOW;
/* We may get called in atomic context */ schedule_work(&fbcon_deferred_takeover_work);