linux-kernel - [233/262] powerpc/eeh: Fix /proc/ppc64/eeh creation

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Message-Id: <20111109212724.044617228@clark.kroah.org>
Date:	Wed, 09 Nov 2011 13:29:15 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: [233/262] powerpc/eeh: Fix /proc/ppc64/eeh creation

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>

commit 8feaa43494cee5e938fd5a57b9e9bf1c827e6ccd upstream.

Since commit 188917e183cf9ad0374b571006d0fc6d48a7f447, /proc/ppc64 is a
symlink to /proc/powerpc/. That means that creating /proc/ppc64/eeh will
end up with a unaccessible file, that is not listed under /proc/powerpc/
and, then, not listed under /proc/ppc64/.

Creating /proc/powerpc/eeh fixes that problem and maintain the
compatibility intended with the ppc64 symlink.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/powerpc/platforms/pseries/eeh.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -1338,7 +1338,7 @@ static const struct file_operations proc
 static int __init eeh_init_proc(void)
 {
 	if (machine_is(pseries))
-		proc_create("ppc64/eeh", 0, NULL, &proc_eeh_operations);
+		proc_create("powerpc/eeh", 0, NULL, &proc_eeh_operations);
 	return 0;
 }
 __initcall(eeh_init_proc);


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