Re: [PATCH v2 2/2] Staging: comedi: range: remove unnecessary sanity check

2014-03-06 Thread Ian Abbott

On 06/03/14 06:57, Fred Akers wrote:

This check is unnecessary because range_table will always be
initialized to range_unknown by comedi_device_postconfig() for
drivers that do not initialize range_table or range_table_list

Signed-off-by: Fred Akers kni...@botops.net
---
  drivers/staging/comedi/range.c | 4 
  1 file changed, 4 deletions(-)

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index c4bb13b..b684954 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -143,10 +143,6 @@ int comedi_check_chanlist(struct comedi_subdevice *s, int 
n,
unsigned int chanspec;
int chan, range_len, i;

-   if (!s-range_table  !s-range_table_list) {
-   dev_err(dev-class_dev, (bug) no range type list!\n);
-   return -EINVAL;
-   }
for (i = 0; i  n; i++) {
chanspec = chanlist[i];
chan = CR_CHAN(chanspec);



Reviewed-by: Ian Abbott abbo...@mev.co.uk

(Further down this `for` loop, the NULL-ness test on 
`s-range_table_list` is also technically redundant, but I think the 
code is clearer with the check left in, and is safer in a defensive way.)


--
-=( Ian Abbott @ MEV Ltd.E-mail: abbo...@mev.co.uk)=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587 )=-
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RE: [PATCH v2 2/2] Staging: comedi: range: remove unnecessary sanity check

2014-03-06 Thread Hartley Sweeten
On Wednesday, March 05, 2014 11:57 PM, Fred Akers wrote:
 This check is unnecessary because range_table will always be
 initialized to range_unknown by comedi_device_postconfig() for
 drivers that do not initialize range_table or range_table_list

 Signed-off-by: Fred Akers kni...@botops.net

Reviewed-by: H Hartley Sweeten hswee...@visionengravers.com

Thanks
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