Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6bf9a3ba authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
Browse files

staging: comedi: addi_apci_2032: set COMEDI_CB_OVERFLOW 



If the call to `comedi_buf_put()` fails in the interrupt routine, set
the `COMEDI_CB_OVERFLOW` event flag.  Note that the `COMEDI_CB_ERROR`
flag will have also been set by `comedi_buf_put()` in this case.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b82fe57c

drivers/staging/comedi/drivers/addi_apci_2032.c

+4 −2
Original line number Diff line number Diff line
@@ -248,8 +248,10 @@ static irqreturn_t apci2032_interrupt(int irq, void *d) 
	s->state = inl(dev->iobase + APCI2032_INT_STATUS_REG);

	outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);



	comedi_buf_put(s->async, s->state);

	if (comedi_buf_put(s->async, s->state))

		s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;

	else

		s->async->events |= COMEDI_CB_OVERFLOW;

	comedi_event(dev, s);



	return IRQ_HANDLED;