[Intel-gfx] [PATCH v2 13/19] fbcon: Consistently protect deferred_takeover with console_lock()
Daniel Vetter
daniel.vetter at ffwll.ch
Tue Feb 8 21:08:18 UTC 2022
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 at ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: Du Cheng <ducheng2 at gmail.com>
Cc: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp>
Cc: Claudio Suarez <cssk at net-c.es>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
---
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 cc960bf49991..4f9752ee9189 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -3227,6 +3227,9 @@ 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]);
@@ -3244,8 +3247,6 @@ 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);
--
2.34.1
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