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vt: always call notifier with the console lock held

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commit 7e1d226345 upstream.

Every invocation of notify_write() and notify_update() is performed
under the console lock, except for one case. Let's fix that.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicolas Pitre
2019-01-08 22:55:00 -05:00
committed by Greg Kroah-Hartman
parent 855f7e6416
commit 18ef43def8
1 changed files with 1 additions and 1 deletions
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drivers/tty/vt/vt.c
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@@ -2767,8 +2767,8 @@ rescan_last_byte:
con_flush(vc, draw_from, draw_to, &draw_x);
vc_uniscr_debug_check(vc);
console_conditional_schedule();
console_unlock();
notify_update(vc);
console_unlock();
return n;
}