usb-serial: possible irq lock inversion (PPP vs. usb/serial)
========================================================= [ INFO: possible irq lock inversion dependency detected ]
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committed by
Greg Kroah-Hartman

parent
2e3a43f0b6
commit
e81ee637e4
@@ -256,14 +256,14 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
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return (0);
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}
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spin_lock(&wport->lock);
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spin_lock_bh(&wport->lock);
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if (wport->write_urb_busy) {
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spin_unlock(&wport->lock);
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spin_unlock_bh(&wport->lock);
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dbg("%s - already writing", __FUNCTION__);
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return 0;
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}
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wport->write_urb_busy = 1;
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spin_unlock(&wport->lock);
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spin_unlock_bh(&wport->lock);
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count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count;
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