[03/33] vt: might_sleep() annotation for do_blank_screen
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Message ID 20190520082216.26273-4-daniel.vetter@ffwll.ch
State New
Headers show
Series
  • fbcon notifier begone!
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Commit Message

Daniel Vetter May 20, 2019, 8:21 a.m. UTC
For symmetry reasons with do_unblank_screen, except without the
oops_in_progress special case.

Just a drive-by annotation while I'm trying to untangle the fbcon vs.
fbdev screen blank/unblank maze.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Adam Borowski <kilobyte@angband.pl>
Cc: Martin Hostettler <textshell@uchuujin.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Mikulas Patocka <mpatocka@redhat.com>
---
 drivers/tty/vt/vt.c | 2 ++
 1 file changed, 2 insertions(+)

Patch
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diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 650c66886c80..8b4b3a49ec33 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4158,6 +4158,8 @@  void do_blank_screen(int entering_gfx)
 	struct vc_data *vc = vc_cons[fg_console].d;
 	int i;
 
+	might_sleep();
+
 	WARN_CONSOLE_UNLOCKED();
 
 	if (console_blanked) {