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: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index 396aa47..505901c 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -50,7 +50,7 @@
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 */