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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2006-09-25 12:51:41 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-28 15:36:43 -0700
commite81ee637e4aed723f71007c90a901268317ed6d6 (patch)
tree25fec34b4577eb36b52b8e4e45a191138ac49404 /drivers/usb/serial/keyspan_pda.c
parent2e3a43f0b6f16705ec76d3744b82a116965ebebe (diff)
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usb-serial: possible irq lock inversion (PPP vs. usb/serial)
========================================================= [ INFO: possible irq lock inversion dependency detected ]
Diffstat (limited to 'drivers/usb/serial/keyspan_pda.c')
-rw-r--r--drivers/usb/serial/keyspan_pda.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 49b8dc0..59e777f 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -518,13 +518,13 @@ static int keyspan_pda_write(struct usb_serial_port *port,
the TX urb is in-flight (wait until it completes)
the device is full (wait until it says there is room)
*/
- spin_lock(&port->lock);
+ spin_lock_bh(&port->lock);
if (port->write_urb_busy || priv->tx_throttled) {
- spin_unlock(&port->lock);
+ spin_unlock_bh(&port->lock);
return 0;
}
port->write_urb_busy = 1;
- spin_unlock(&port->lock);
+ spin_unlock_bh(&port->lock);
/* At this point the URB is in our control, nobody else can submit it
again (the only sudden transition was the one from EINPROGRESS to