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Commit 5bb06b62 authored by Sonic Zhang's avatar Sonic Zhang Committed by Greg Kroah-Hartman
Browse files

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: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 6d9e4498

drivers/serial/bfin_5xx.c

+2 −2
Original line number Diff line number Diff line
@@ -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 */