Re: [PATCH] staging: comedi: drivers: comedi_bond.c: Changed from using strncat to strlcat

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On 12/10/14 13:23, Rickard Strandqvist wrote:
Changed from using strncat to strlcat to simplify the code

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
  drivers/staging/comedi/drivers/comedi_bond.c |    6 ++----
  1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 8450c99..5d19861 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -262,12 +262,10 @@ static int do_dev_config(struct comedi_device *dev, struct comedi_devconfig *it)
  			{
  				/* Append dev:subdev to devpriv->name */
  				char buf[20];
-				int left =
-				    MAX_BOARD_NAME - strlen(devpriv->name) - 1;
  				snprintf(buf, sizeof(buf), "%u:%u ",
  					 bdev->minor, bdev->subdev);
-				buf[sizeof(buf) - 1] = 0;
-				strncat(devpriv->name, buf, left);
+				strlcat(devpriv->name, buf,
+					sizeof(devpriv->name));
  			}

  		}


Looks good. Additionally, the #define MAX_BOARD_NAME could be eliminated as now it is only used to to set the length of the 'name' member in 'struct comedi_bond_private'.

Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>

--
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@xxxxxxxxx> )=-
-=(                          Web: http://www.mev.co.uk/  )=-
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