This member of the private data is a copy of the s->async->prealloc_bufsz.
Use that instead.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/addi-data/addi_common.h | 1 -
drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c | 11 ++++-------
2 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.h b/drivers/staging/comedi/drivers/addi-data/addi_common.h
index b54819b..a2208e7 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.h
@@ -123,7 +123,6 @@ struct addi_private {
unsigned int ui_AiNbrofChannels; /* how many channels is measured */
unsigned int ui_AiChannelList[32]; /* actual chanlist */
unsigned int ui_AiReadData[32];
- unsigned int ui_AiDataLength;
unsigned int ui_AiNbrofScans; /* number of scans to do */
unsigned short us_UseDma; /* To use Dma or not */
unsigned char b_DmaDoubleBuffer; /* we can use double buffering */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index 8f6f152..cd8e933 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -1152,10 +1152,10 @@ static int apci3120_cyclic_ai(int mode,
dmalen1 = 4;
}
} else { /* isn't output buff smaller that our DMA buff? */
- if (dmalen0 > (devpriv->ui_AiDataLength))
- dmalen0 = devpriv->ui_AiDataLength;
- if (dmalen1 > (devpriv->ui_AiDataLength))
- dmalen1 = devpriv->ui_AiDataLength;
+ if (dmalen0 > s->async->prealloc_bufsz)
+ dmalen0 = s->async->prealloc_bufsz;
+ if (dmalen1 > s->async->prealloc_bufsz)
+ dmalen1 = s->async->prealloc_bufsz;
}
devpriv->ui_DmaBufferUsesize[0] = dmalen0;
devpriv->ui_DmaBufferUsesize[1] = dmalen1;
@@ -1339,9 +1339,6 @@ static int apci3120_ai_cmd(struct comedi_device *dev,
/* loading private structure with cmd structure inputs */
devpriv->ui_AiNbrofChannels = cmd->chanlist_len;
- /* UPDATE-0.7.57->0.7.68devpriv->ui_AiDataLength=s->async->data_len; */
- devpriv->ui_AiDataLength = s->async->prealloc_bufsz;
-
if (cmd->stop_src == TRIG_COUNT)
devpriv->ui_AiNbrofScans = cmd->stop_arg;
else
--
1.9.2
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