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vt: always call notifier with the console lock held

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[ Upstream commit 7e1d226345f89ad5d0216a9092c81386c89b4983 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
This commit is contained in:
Nicolas Pitre 2019-01-08 22:55:00 -05:00 committed by Greg Kroah-Hartman
parent bff576f356
commit 0fef97ac14
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/vt/vt.c
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@ -2435,8 +2435,8 @@ rescan_last_byte:
}
con_flush(vc, draw_from, draw_to, &draw_x);
console_conditional_schedule();
console_unlock();
notify_update(vc);
console_unlock();
return n;
}