From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 18 Apr 2013 21:34:00 +0000 (-0700)
Subject: staging: comedi: skel: use comedi_legacy_detach()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3fd19714e3b7b355cb52975edaeb25df6db4a9be;p=linux-beck.git

staging: comedi: skel: use comedi_legacy_detach()

Update the skeleton driver to use the new comedi_legacy_detach()
helper in the (*detach) to release the I/O region. Also, update
the comment about it.

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>
---

diff --git a/drivers/staging/comedi/drivers/skel.c b/drivers/staging/comedi/drivers/skel.c
index 6dc77fc07220..dbc8c54d6da7 100644
--- a/drivers/staging/comedi/drivers/skel.c
+++ b/drivers/staging/comedi/drivers/skel.c
@@ -632,11 +632,12 @@ static void skel_detach(struct comedi_device *dev)
 		/*
 		 * ISA board
 		 *
-		 * If I/O regions successfully requested by _attach(),
-		 * release them here.
+		 * Release the first I/O region requested during the
+		 * _attach(). This is safe to call even if the request
+		 * failed. If any additional I/O regions are requested
+		 * they need to be released by the driver.
 		 */
-		if (dev->iobase)
-			release_region(dev->iobase, SKEL_SIZE);
+		comedi_legacy_detach(dev);
 	}
 }