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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2006-09-25 12:51:41 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-29 00:36:43 +0200 |
| commit | e81ee637e4aed723f71007c90a901268317ed6d6 (patch) | |
| tree | 25fec34b4577eb36b52b8e4e45a191138ac49404 /drivers/usb/serial/keyspan_pda.c | |
| parent | ohci: Use ref-counting hotplug safe interfaces (diff) | |
| download | linux-e81ee637e4aed723f71007c90a901268317ed6d6.tar.xz linux-e81ee637e4aed723f71007c90a901268317ed6d6.zip | |
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.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 49b8dc039d1f..59e777f1e8fd 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 |