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/safe_serial.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/usb/serial/safe_serial.c') diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index 789771ecdb1..1e07dfad685 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -298,14 +298,14 @@ static int safe_write (struct usb_serial_port *port, const unsigned char *buf, i dbg ("%s - write request of 0 bytes", __FUNCTION__); 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); packet_length = port->bulk_out_size; // get max packetsize -- cgit v1.2.3