Merge branch 'topic/asoc' into for-linus

[linux-2.6-omap-h63xx.git] / drivers / usb / serial / mos7840.c

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index fda4a6421c44226abf6d905a707eb5e4f5bec505..96a8c7713212871cf98ce1031cdefe8cfdfae430 100644 (file)
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1343,6 +1343,7 @@ static void mos7840_break(struct tty_struct *tty, int break_state)
        else
                data = mos7840_port->shadowLCR & ~LCR_SET_BREAK;
 
+       /* FIXME: no locking on shadowLCR anywhere in driver */
        mos7840_port->shadowLCR = data;
        dbg("mcs7840_break mos7840_port->shadowLCR is %x\n",
            mos7840_port->shadowLCR);
@@ -2214,10 +2215,12 @@ static int mos7840_set_modem_info(struct moschip_port *mos7840_port,
                break;
        }
 
+       lock_kernel();
        mos7840_port->shadowMCR = mcr;
 
        Data = mos7840_port->shadowMCR;
        status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);
+       unlock_kernel();
        if (status < 0) {
                dbg("setting MODEM_CONTROL_REGISTER Failed\n");
                return -1;