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authorSonic Zhang <sonic.zhang@analog.com>2010-10-27 04:16:50 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-11-11 11:06:08 -0800
commit5bb06b62bc445eed66fb256c3b5f86e5911797e4 (patch)
tree751fa5cd54bb8f4eb0684635b7ed1ac7f9ffbcf9 /drivers/serial
parent6d9e44986891345636e2d6069c4ae1612b2337d4 (diff)
downloadop-kernel-dev-5bb06b62bc445eed66fb256c3b5f86e5911797e4.zip
op-kernel-dev-5bb06b62bc445eed66fb256c3b5f86e5911797e4.tar.gz
serial: bfin_5xx: grab port lock before making port termios changes
The port lock exists to protect these resources, so we need to grab it before making changes. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/bfin_5xx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 9655321..19cac9f 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -849,6 +849,8 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
if (termios->c_cflag & CMSPAR)
lcr |= STP;
+ spin_lock_irqsave(&uart->port.lock, flags);
+
port->read_status_mask = OE;
if (termios->c_iflag & INPCK)
port->read_status_mask |= (FE | PE);
@@ -878,8 +880,6 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
if (termios->c_line != N_IRDA)
quot -= ANOMALY_05000230;
- spin_lock_irqsave(&uart->port.lock, flags);
-
UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15);
/* Disable UART */
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