Commit 8fefbc6d authored Nov 27, 2018 by Mark Tomlinson Committed by Greg Kroah-Hartman Dec 05, 2018

tty/sysrq: Do not call sync directly from sysrq_do_reset()



sysrq_do_reset() is called in softirq context, so it cannot call
sync() directly. Instead, call orderly_reboot(), which creates a work
item to run /sbin/reboot, or do emergency_sync and restart if the
command fails.

Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 85b5c1dd

drivers/tty/sysrq.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -653,8 +653,7 @@ static void sysrq_do_reset(struct timer_list *t)

		state->reset_requested = true;

		ksys_sync();
		kernel_restart(NULL);
		orderly_reboot();
		}

		static void sysrq_handle_reset_request(struct sysrq_state *state)

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