From: Sonic Zhang Date: Wed, 27 Oct 2010 08:16:50 +0000 (-0400) Subject: serial: bfin_5xx: grab port lock before making port termios changes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5bb06b62bc445eed66fb256c3b5f86e5911797e4;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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 Signed-off-by: Mike Frysinger Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 965532157c6..19cac9f610f 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 */