linux-kernel - [PATCH] staging: comedi: ssv_dnp: remove empty private data

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Date:	Wed, 20 Jun 2012 13:50:03 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH] staging: comedi: ssv_dnp: remove empty private data

The private data struct 'dnp_private_data' contains no information.
Remove it and the alloc_private() call.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/ssv_dnp.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c
index 72dbccc..84b9f2a 100644
--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -59,14 +59,6 @@ struct dnp_board {
 	int have_dio;
 };
 
-/* This structure is for data unique to the DNP driver --------------------- */
-struct dnp_private_data {
-
-};
-
-/* Shorthand macro for faster access to the private data ------------------- */
-#define devpriv ((dnp_private *)dev->private)
-
 /* ------------------------------------------------------------------------- */
 /* The insn_bits interface allows packed reading/writing of DIO channels.    */
 /* The comedi core can convert between insn_bits and insn_read/write, so you */
@@ -189,11 +181,6 @@ static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	dev->board_name = board->name;
 
-	/* Allocate the private structure area. alloc_private() is a         */
-	/* convenient macro defined in comedidev.h.                          */
-	if (alloc_private(dev, sizeof(struct dnp_private_data)) < 0)
-		return -ENOMEM;
-
 	ret = comedi_alloc_subdevices(dev, 1);
 	if (ret)
 		return ret;
-- 
1.7.11

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