Commit a68809bb authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: addi_apci_3120: use async->events to report hardware error 



In apci3120_interrupt_dma(), use the async->events to report the hardware
error and allow the core to (*cancel) the command instead of calling the
(*cancel) function directly.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 18e3b503

drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c

+1 −1
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ static void apci3120_interrupt_dma(int irq, void *d) 
		dev_err(dev->class_dev, "Interrupted DMA transfer!\n");

	if (samplesinbuf & 1) {

		dev_err(dev->class_dev, "Odd count of bytes in DMA ring!\n");

		apci3120_cancel(dev, s);

		async->events |= COMEDI_CB_ERROR;

		return;

	}

	samplesinbuf = samplesinbuf >> 1;	/*  number of received samples */