usb-serial: possible irq lock inversion (PPP vs. usb/serial)

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[ INFO: possible irq lock inversion dependency detected ]
This commit is contained in:
Peter Zijlstra
2006-09-25 12:51:41 +02:00
committed by Greg Kroah-Hartman
parent 2e3a43f0b6
commit e81ee637e4
7 changed files with 21 additions and 21 deletions

View File

@@ -256,14 +256,14 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
return (0);
}
spin_lock(&wport->lock);
spin_lock_bh(&wport->lock);
if (wport->write_urb_busy) {
spin_unlock(&wport->lock);
spin_unlock_bh(&wport->lock);
dbg("%s - already writing", __FUNCTION__);
return 0;
}
wport->write_urb_busy = 1;
spin_unlock(&wport->lock);
spin_unlock_bh(&wport->lock);
count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count;