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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> | 2006-09-28 15:36:43 -0700 |
| commit | e81ee637e4aed723f71007c90a901268317ed6d6 (patch) | |
| tree | 25fec34b4577eb36b52b8e4e45a191138ac49404 /drivers/usb/serial/ipw.c | |
| parent | ohci: Use ref-counting hotplug safe interfaces (diff) | |
| download | linux-dev-e81ee637e4aed723f71007c90a901268317ed6d6.tar.xz linux-dev-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/ipw.c')
| -rw-r--r-- | drivers/usb/serial/ipw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 87306cb6f9f5..812bc213a963 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); |