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

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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>
This commit is contained in:
Mark Tomlinson 2018-11-27 09:57:23 +13:00 committed by Greg Kroah-Hartman
parent 85b5c1dd04
commit 8fefbc6d4b
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/sysrq.c
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@ -653,8 +653,7 @@ static void sysrq_do_reset(struct timer_list *t)
state->reset_requested = true; state->reset_requested = true;
ksys_sync(); orderly_reboot();
kernel_restart(NULL);
} }
static void sysrq_handle_reset_request(struct sysrq_state *state) static void sysrq_handle_reset_request(struct sysrq_state *state)