linux-kernel - [PATCH 2.6.21-rc1] powerpc: Make of_device

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Message-Id: <200702171728.15597.hnguyen@linux.vnet.ibm.com>
Date:	Sat, 17 Feb 2007 17:28:15 +0100
From:	Hoang-Nam Nguyen <hnguyen@...ux.vnet.ibm.com>
To:	paulus@...ba.org, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org, johnrose@...ibm.com,
	Sylvain Munaut <tnt@...tnt.com>
Cc:	pmac@....ibm.com, fenkes@...ibm.com
Subject: [PATCH 2.6.21-rc1] powerpc: Make of_device_uevent() compatible with ibmebus

ibmebus has a fake root device that's not associated with an ofdt node.
Filter out any such devices in of_device_uevent().


Signed-off-by: Joachim Fenkes <fenkes@...ibm.com>
---


 of_device.c |    4 ++++
 1 files changed, 4 insertions(+)


diff -urp a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
--- a/arch/powerpc/kernel/of_device.c	2007-02-17 16:36:32.116368480 +0100
+++ b/arch/powerpc/kernel/of_device.c	2007-02-17 16:44:01.319366352 +0100
@@ -180,6 +180,10 @@ int of_device_uevent(struct device *dev,
 
 	ofdev = to_of_device(dev);
 
+	/* e.g. ibmebus has a fake root device w/o ofdt node -- filter that */
+	if (!ofdev->node)
+		return -ENODEV;
+
 	if (add_uevent_var(envp, num_envp, &i,
 			   buffer, buffer_size, &length,
 			   "OF_NAME=%s", ofdev->node->name))

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