linux-kernel - [PATCH v2] staging: comedi: drivers: comedi_bond.c: Changed from using strncat to strlcat

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Message-Id: <1413642908-3633-1-git-send-email-rickard_strandqvist@spectrumdigital.se>
Date:	Sat, 18 Oct 2014 16:35:08 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Ian Abbott <abbotti@....co.uk>,
	H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Chase Southwood <chase.southwood@...oo.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] staging: comedi: drivers: comedi_bond.c:  Changed from using strncat to strlcat

Changed from using strncat to strlcat to simplify the code

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Reviewed-by: Ian Abbott <abbotti@....co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
---
 drivers/staging/comedi/drivers/comedi_bond.c |    9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index 8450c99..85b2f4a 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -61,8 +61,7 @@ struct bonded_device {
 };
 
 struct comedi_bond_private {
-# define MAX_BOARD_NAME 256
-	char name[MAX_BOARD_NAME];
+	char name[256];
 	struct bonded_device **devs;
 	unsigned ndevs;
 	unsigned nchans;
@@ -262,12 +261,10 @@ 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));
 			}
 
 		}
-- 
1.7.10.4

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