del_timer_sync() acquires its own lock and doesn't have to be nested
within the spinlock of sport->port.lock in imx_set_termios(), which
will cause potential deadlock. Fix this by moving it outside.
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Eric Miao <eric.miao@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
ucr2 |= UCR2_PROE;
}
+ del_timer_sync(&sport->timer);
+
/*
* Ask the core to calculate the divisor for us.
*/
sport->port.ignore_status_mask |= URXD_OVRRUN;
}
- del_timer_sync(&sport->timer);
-
/*
* Update the per-port timeout.
*/