linux-kernel - [PATCH 33/64] Driver Core: raw: add nodename for raw devices

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Message-Id: <1245131213-24168-33-git-send-email-gregkh@suse.de>
Date:	Mon, 15 Jun 2009 22:46:22 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Kay Sievers <kay.sievers@...y.org>, Jan Blunck <jblunck@...e.de>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 33/64] Driver Core: raw: add nodename for raw devices

From: Kay Sievers <kay.sievers@...y.org>

This adds support to the raw driver to report the proper device name to
userspace for the raw devices.

Signed-off-by: Kay Sievers <kay.sievers@...y.org>
Signed-off-by: Jan Blunck <jblunck@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/char/raw.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index db32f0e..05f9d18 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -261,6 +261,11 @@ static const struct file_operations raw_ctl_fops = {
 
 static struct cdev raw_cdev;
 
+static char *raw_nodename(struct device *dev)
+{
+	return kasprintf(GFP_KERNEL, "raw/%s", dev_name(dev));
+}
+
 static int __init raw_init(void)
 {
 	dev_t dev = MKDEV(RAW_MAJOR, 0);
@@ -284,6 +289,7 @@ static int __init raw_init(void)
 		ret = PTR_ERR(raw_class);
 		goto error_region;
 	}
+	raw_class->nodename = raw_nodename;
 	device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
 
 	return 0;
-- 
1.6.3.2

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