* Patch "powerpc/pseries: Fix of_node_put() underflow during reconfig remove" has been added to the 4.12-stable tree
@ 2017-07-31 20:52 gregkh
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From: gregkh @ 2017-07-31 20:52 UTC (permalink / raw)
To: lvivier, david, gregkh, mpe; +Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
powerpc/pseries: Fix of_node_put() underflow during reconfig remove
to the 4.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-pseries-fix-of_node_put-underflow-during-reconfig-remove.patch
and it can be found in the queue-4.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 4fd1bd443e80b12f0a01a45fb9a793206b41cb72 Mon Sep 17 00:00:00 2001
From: Laurent Vivier <lvivier@redhat.com>
Date: Fri, 21 Jul 2017 16:51:39 +0200
Subject: powerpc/pseries: Fix of_node_put() underflow during reconfig remove
From: Laurent Vivier <lvivier@redhat.com>
commit 4fd1bd443e80b12f0a01a45fb9a793206b41cb72 upstream.
As for commit 68baf692c435 ("powerpc/pseries: Fix of_node_put()
underflow during DLPAR remove"), the call to of_node_put() must be
removed from pSeries_reconfig_remove_node().
dlpar_detach_node() and pSeries_reconfig_remove_node() both call
of_detach_node(), and thus the node should not be released in both
cases.
Fixes: 0829f6d1f69e ("of: device_node kobject lifecycle fixes")
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/powerpc/platforms/pseries/reconfig.c | 1 -
1 file changed, 1 deletion(-)
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -82,7 +82,6 @@ static int pSeries_reconfig_remove_node(
of_detach_node(np);
of_node_put(parent);
- of_node_put(np); /* Must decrement the refcount */
return 0;
}
Patches currently in stable-queue which might be from lvivier@redhat.com are
queue-4.12/powerpc-pseries-fix-of_node_put-underflow-during-reconfig-remove.patch
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2017-07-31 20:52 Patch "powerpc/pseries: Fix of_node_put() underflow during reconfig remove" has been added to the 4.12-stable tree gregkh
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