tty: serial: imx: move del_timer_sync() to avoid potential deadlock
commit995234da19b927f42722d796e8270384f33be11c
authorEric Miao <eric.miao@linaro.org>
Thu, 22 Dec 2011 21:39:27 +0000 (23 05:39 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 5 Jan 2012 00:30:36 +0000 (4 16:30 -0800)
tree022d3696bb38afa1486b2962ba3f51458b35b21b
parent01f56abd089dd216e537817b61497c58bb66aab3
tty: serial: imx: move del_timer_sync() to avoid potential deadlock

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>
drivers/tty/serial/imx.c