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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/generic.c
parent2e3a43f0b6f16705ec76d3744b82a116965ebebe (diff)
usb-serial: possible irq lock inversion (PPP vs. usb/serial)
========================================================= [ INFO: possible irq lock inversion dependency detected ]
Diffstat (limited to 'drivers/usb/serial/generic.c')
-rw-r--r--drivers/usb/serial/generic.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 172713556393..21cbaa0fb96b 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -175,14 +175,14 @@ int usb_serial_generic_write(struct usb_serial_port *port, const unsigned char *
/* only do something if we have a bulk out endpoint */
if (serial->num_bulk_out) {
- 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 = (count > port->bulk_out_size) ? port->bulk_out_size : count;