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staging: comedi: comedi_fc: use comedi_cmd pointer

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Use a local variable to access the comedi_cmd as a pointer instead
of getting to from the comedi_subdevice pointer.

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>
This commit is contained in:
H Hartley Sweeten 2014-05-27 10:31:05 -07:00 committed by Greg Kroah-Hartman
parent f5f3a2c656
commit 3ba01fe618
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/comedi/drivers/comedi_fc.c
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@ -24,7 +24,7 @@
unsigned int cfc_bytes_per_scan(struct comedi_subdevice *s)
{
unsigned int chanlist_len = s->async->cmd.chanlist_len;
struct comedi_cmd *cmd = &s->async->cmd;
unsigned int num_samples;
unsigned int bits_per_sample;
@ -33,11 +33,11 @@ unsigned int cfc_bytes_per_scan(struct comedi_subdevice *s)
case COMEDI_SUBD_DO:
case COMEDI_SUBD_DIO:
bits_per_sample = 8 * bytes_per_sample(s);
num_samples = (chanlist_len + bits_per_sample - 1) /
num_samples = (cmd->chanlist_len + bits_per_sample - 1) /
bits_per_sample;
break;
default:
num_samples = chanlist_len;
num_samples = cmd->chanlist_len;
break;
}
return num_samples * bytes_per_sample(s);