| commit | 995234da19b927f42722d796e8270384f33be11c | |
| author | Eric Miao <eric.miao@linaro.org> | |
| Thu, 22 Dec 2011 21:39:27 +0000 (23 05:39 +0800) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Thu, 5 Jan 2012 00:30:36 +0000 (4 16:30 -0800) | ||
| tree | 022d3696bb38afa1486b2962ba3f51458b35b21b | treesnapshot (tar.gz zip) |
| parent | 01f56abd089dd216e537817b61497c58bb66aab3 | commitdiff |
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>
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 | diffblobblamehistory |