From e81ee637e4aed723f71007c90a901268317ed6d6 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 25 Sep 2006 12:51:41 +0200 Subject: usb-serial: possible irq lock inversion (PPP vs. usb/serial) ========================================================= [ INFO: possible irq lock inversion dependency detected ] --- drivers/usb/serial/ipw.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/usb/serial/ipw.c') diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 87306cb6f9f..812bc213a96 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -394,14 +394,14 @@ static int ipw_write(struct usb_serial_port *port, const unsigned char *buf, int return 0; } - spin_lock(&port->lock); + spin_lock_bh(&port->lock); if (port->write_urb_busy) { - spin_unlock(&port->lock); + spin_unlock_bh(&port->lock); dbg("%s - already writing", __FUNCTION__); return 0; } port->write_urb_busy = 1; - spin_unlock(&port->lock); + spin_unlock_bh(&port->lock); count = min(count, port->bulk_out_size); memcpy(port->bulk_out_buffer, buf, count); -- cgit v1.2.3